South Korea VAT Guide 2026

South Korea VAT at a glance

Do I need to comply? — 60-second check

The day your first taxable supply reaches a Korean consumer — that’s the day the NTS clock starts. South Korea has no general turnover threshold for VAT registration; the trigger is event-based, not volume-based. For foreign electronic service suppliers, the obligation crystallises from supply one: enrol as a Simplified Business Registrant under Article 53-2 of the VAT Act, charge 10% VAT on B2C supplies, and lodge quarterly returns through Hometax. For domestic businesses, all taxable activity falls inside the VAT system; the only question is whether you fit the simplified taxpayer system (below KRW 80 million annual revenue in most sectors) or the general taxpayer regime.

Two minutes of work here saves you twenty minutes of reading. Walk the check; jump to the persona track it lands you in:

• Korean-resident business? Whether you enrol as a general taxpayer or as a simplified taxpayer depends on annual revenue and sector. All taxable activity is in scope from supply one. The Local Korean Business track covers the full picture, including the simplified-taxpayer threshold and the structural choice.
• Foreign business supplying electronic services to Korean consumers? Foreign SaaS / Digital Services Seller track. Article 53-2 Simplified Business Registration is required from the first B2C supply — no trigger level. The B2B portion uses reverse charge (the Korean business client self-accounts). Quarterly returns through Hometax.
• Foreign business shipping physical goods to Korean consumers — Coupang, Naver Shopping, Gmarket, your own store? Foreign E-commerce Seller track. Import VAT applies at customs alongside duty; the consignment-value rules and Korean Customs’ rapid-clearance scheme for low-value imports drive the operational mechanic.
• Foreign business importing goods into Korea for distribution or onward sale? Foreign Importer track. Import VAT at 10% on the CIF + duty + applicable excise base, with recoverability through input VAT credit for VAT-registered Korean entities. The Free Economic Zone framework provides specific preferential treatment for qualifying operations.

Two contextual points worth surfacing up front. First: the 10% VAT rate has been stable since 1977 — Korea has not undertaken a rate-rationalisation reform in the way Japan (2014, 2019) or India (2025) have. The pricing and contract assumptions you build today against the 10% rate should remain valid for the foreseeable future. Second: Korea’s e-tax invoice system (전자세금계산서) is one of the most mature mandatory e-invoicing regimes globally, operational for corporate businesses since 2011 and progressively extended to smaller businesses since. The system runs through Hometax or approved private providers; integration is non-optional for any business with corporate counterparties.

Quick-jump to your persona

• Foreign SaaS / Digital Services Seller into South Korea
• Foreign E-commerce Seller into South Korea
• Foreign Importer / Physical Goods Seller
• Local Korean Business

Foreign SaaS / Digital Services Seller into South Korea

Whether South Korean VAT applies to your subscription comes down to one rule: place of supply. For B2C electronic services supplied to Korean-resident consumers, the place of supply is Korea — and the obligation crystallises at the first supply, not at any turnover trigger level. Korea introduced the Simplified Business Registration for foreign electronic service suppliers (간편사업자 등록제) on 1 July 2015 under Article 53-2 of the VAT Act, and the regime has matured into the de-facto path for any non-established supplier with Korean B2C revenue. The B2B portion of your Korean business sits inside the reverse-charge mechanism, with the Korean business client self-accounting.

Are your Korean sales actually in Korea’s tax base?

Place of supply for electronic services delivered to Korean consumers follows the recipient’s location. The VAT Act and NTS guidance set out the indicators expected for the determination: customer billing address in Korea, payment instrument issued by a Korean institution, IP address resolving to Korea, telephone country code, and any other commercially relevant location data.

Capture multiple corroborating indicators for every Korea-treated sale and document them. NTS audit posture on foreign electronic service suppliers has tightened progressively since the regime’s introduction; the indicator documentation requirement is treated as a substantive compliance line, not a procedural footnote.

Take Bocaina Couture Ltda, a Brazilian premium DTC apparel brand with BRL 25 million of global GMV operating an own Shopify store and a Coupang shopfront for Korean customers. Bocaina also licenses a Portuguese-language and Korean-language content platform from its parent — a digital subscription costing KRW 28,000 per month, sold to fashion-industry Korean consumers as a B2C product. The first B2C subscription sale into Korea — regardless of revenue scale — triggers the Simplified Business Registration obligation. Bocaina enrols through Hometax, charges 10% VAT on the subscription invoice, and lodges quarterly returns alongside its Coupang-routed apparel business which sits in the e-commerce track.

Trigger event → statutory deadline (the NTS timeline)

Three structural triggers and the deadlines each opens.

The first-supply trigger is the principal one for foreign electronic service suppliers. The Simplified Business Registration obligation crystallises at the first B2C supply to a Korean consumer. The enrolment application must be lodged with NTS through Hometax within 20 days of the first supply. There is no grace period or turnover-based deferral; the system is built on event triggers.

The product-scope expansion trigger applies when your existing supplies into Korea expand to cover a new category that falls within the Article 53-2 scope. The VAT Act scope was expanded in 2019 to cover a broader range of digital services (cloud services, e-books, online courses, advertising services, intermediary services). If your product expands into a new in-scope category, the registration scope should be updated through Hometax.

The category-reclassification trigger is the regulatory one. NTS occasionally reclassifies services across the B2B / B2C boundary or across the simplified-vs-general business operator categories. Annual review of your service classification against the latest NTS administrative guidance is the defensive position; the alternative is discovering reclassification during a routine NTS query, which materially complicates remediation.

The registration walk-through — portal, forms, documents

Enrolment runs through Hometax (hometax.go.kr) under the Simplified Business Registration for Foreign Suppliers menu. Four operational steps:

• Apply for a Korean Business Registration Number for the foreign supplier. The number takes the form of a 10-digit identifier and is assigned by NTS upon Simplified Business Registration approval.
• Submit the Simplified Business Registration application form via Hometax. Required information includes business name and address in the home jurisdiction, authorised representative details, business activity description (mapped to NTS service categories), and the start date of Korean supplies.
• Designate a tax representative (세무대리인) — optional but strongly recommended for non-Korean-speaking businesses. Tax representatives are licensed Korean tax accountants (세무사) or certified tax accounting firms; they handle Hometax interactions, NTS correspondence, and audit defence. Strictly required only in specific circumstances under Article 53-2, but as a practical matter virtually every foreign supplier engages a Korean tax representative.
• Configure your billing platform for 10% Korea VAT treatment on B2C electronic services to Korean consumers, with the Korean Business Registration Number displayed on invoices, and the reverse-charge handling applied to B2B Korean business clients.

What you charge, and on what

South Korea VAT at 10% applies to all B2C electronic services supplied to Korean consumers under Article 53-2. The rate is uniform; there is no reduced rate for digital services or for any other electronic services category. Zero-rating is reserved for genuine exports of goods and qualifying international services; cross-border electronic services delivered to Korean consumers are inside the Korean tax base, not exports.

For B2B supplies to Korean VAT-registered business clients, the foreign supplier does not charge VAT on the invoice. The reverse-charge mechanism places the VAT obligation on the Korean business recipient — they self-account for both output and input VAT on the same quarterly return. The non-established supplier must confirm the client’s business status before invoicing on a no-VAT basis; invoicing a Korean consumer (B2C) on a no-VAT basis is a direct compliance breach.

Consider BrightLearn Inc., a US-based online-course company selling USD 79/month subscriptions. A Seoul consumer subscribes. BrightLearn charges USD 79 + 10% VAT = USD 86.90, collects the KRW equivalent of USD 7.90 in VAT, and lodges this through the quarterly Simplified Business Registration return on Hometax. If a Seoul technology firm subscribes for staff training (B2B with the firm being VAT-registered), BrightLearn invoices USD 79 without VAT, the Korean firm self-accounts under reverse charge, and BrightLearn ensures the Korean Business Registration Number is correctly displayed on the invoice alongside the B2B reverse-charge notation.

What a Korean tax invoice must say

For B2C supplies under the Simplified Business Registration regime, the foreign supplier’s invoice (or order confirmation containing equivalent information) must include:

• Supplier business name and Korean Business Registration Number (foreign supplier 10-digit identifier).
• Customer identification information (name or email at minimum for B2C electronic services).
• Invoice issue date and the date of supply.
• Description of services supplied.
• Total amount payable, with VAT amount and rate (10%) separately stated.
• For invoices in foreign currency: KRW equivalent of the VAT amount, using a commercially supportable exchange rate at the date of supply.

For B2B supplies subject to reverse charge, the invoice indicates the reverse-charge treatment and identifies the Korean business client by Korean Business Registration Number. The Korean client uses this invoice to self-account for both output and input VAT on their quarterly return.

Korea’s mandatory e-tax invoice system (전자세금계산서) generally applies to domestic VAT-registered businesses issuing invoices to corporate customers; foreign electronic service suppliers under Simplified Business Registration are not currently within the mandatory e-tax invoice scope, though future regulatory developments may extend coverage.

Lodging and paying the NTS

Foreign electronic service suppliers under Simplified Business Registration lodge quarterly returns through Hometax. The accounting periods align with calendar quarters: January–March, April–June, July–September, October–December. Returns and payment are due 25 days after the end of each quarter — by 25 April for the January–March quarter, by 25 July for April–June, by 25 October for July–September, and by 25 January of the following year for October–December.

The Simplified Business Registration return captures total Korean B2C taxable supplies, VAT collected, any zero-rated or exempt supplies, and the net VAT payable. Payment is made through Hometax’s payment interface using Korean banking channels, by SWIFT wire to NTS’s designated account, or via the foreign-supplier-specific payment mechanisms documented in NTS guidance. International wires should clear into NTS’s account by the deadline; the tax representative typically handles the operational mechanics.

What this actually costs

Approximate operating ranges for a foreign electronic service supplier under Simplified Business Registration:

• Tax representative (세무대리인) retainer: KRW 6,000,000–18,000,000 per year (approximately USD 4,500–13,000), depending on transaction volume and complexity of B2B reverse-charge reconciliation. Higher for firms with strong NTS liaison capability.
• Quarterly Simplified Business Registration return preparation and lodgement: KRW 1,500,000–4,000,000 per quarter — typically bundled into the tax representative retainer.
• Initial Hometax registration and ongoing portal navigation: minor cost; typically absorbed into the tax representative onboarding.
• Initial billing-platform configuration for Korea 10% VAT, B2B reverse-charge handling, and Korean Business Registration Number display: USD 4,000–12,000 of one-off implementation work, depending on platform.
• Annual reasonableness review by a Korean Certified Tax Accountant: KRW 3,000,000–8,000,000 per year, recommended for businesses with materially scaled Korean revenue.

Compared with regimes that require a mandatory in-country fiscal representative (India’s Section 14 IGST Act, several EU member states), Korea’s Simplified Business Registration cost structure is moderate — the tax representative is functionally near-mandatory in practice but the cost band is lower than equivalent representative obligations in some jurisdictions.

Three repeat failures we keep seeing — and why

Three places where foreign sellers reliably misread Korea VAT. Each one we see often enough that it isn’t bad luck — it’s pattern.

The first: missing the event-based trigger nature of the Simplified Business Registration. Foreign sellers familiar with EU or Singapore-style trigger-level regimes often assume Korea has an analogous turnover threshold and expect the obligation to crystallise only at a specific revenue point. Korea’s framework operates on the first-supply trigger — the obligation arises immediately at first B2C supply. Operating without enrolment from supply one accumulates back-VAT exposure from that date, not from the date NTS catches the discrepancy.

The second: treating B2B reverse charge as automatic without confirming the client’s VAT registration. Issuing a no-VAT invoice to a Korean client that turns out not to be VAT-registered is a direct compliance breach. The reverse-charge mechanism applies only where the client is itself a Korean VAT-registered business. Confirm registration status before invoicing — TaxDo’s Global Tax Identity engine validates Korean Business Registration Numbers across the NTS registry in real time.

The third: under-investing in indicator capture for customer location. NTS expects multiple corroborating indicators (billing address, payment instrument issuance country, IP address) for every Korea-treated sale. Foreign suppliers who capture only billing address typically face indicator-mismatch findings during NTS Simplified Business Registration reviews — particularly for customers using VPNs, expatriate residents in Korea using foreign-issued payment instruments, or Korean nationals abroad. Capture three indicators; document the basis for the Korea-treatment determination.

If you get this wrong

Fine framework under the Korean VAT Act:

• General additional tax for failure to lodge: 20% of the VAT amount unfiled. Higher rates apply for repeated or wilful failure to lodge.
• Additional tax for under-reporting: 10% of the under-reported VAT (general); up to 40% for fraudulent under-reporting (“부정행위” — fraudulent conduct as defined in the VAT Act).
• Late-payment penalty: 0.025% per day on the outstanding amount (approximately 9.125% per annum), capped at the lower of 5 years of accrual or specific regulatory limits.
• Failure to issue or to properly record the Korean Business Registration Number on Simplified Business Registration invoices: separate procedural fines applicable per the VAT Act Enforcement Decree.

NTS’s voluntary correction (수정신고) framework reduces the additional-tax exposure materially for late-filed corrections submitted before NTS commences any audit or query. The reduction structure depends on timing: corrections lodged within 1 month of the original deadline carry a 90% reduction in the under-reporting additional tax; within 3 months a 75% reduction; within 6 months a 50% reduction; within 1 year a 30% reduction; beyond 1 year (but pre-audit) a 20% reduction. This is one of the more granular voluntary-correction discount frameworks in the Asia-Pacific region.

For the highest-intent reader of this section: you’re already non-compliant and you want a path forward.

Here’s what we’d recommend. Three steps, in this order.

First, quantify the exposure with your Korean tax representative. Pull the full record of Korean B2C and B2B sales from the first supply date. Apply 10% to the gross B2C taxable supplies. For the B2B portion, identify which clients were Korean VAT-registered businesses at the time of supply — those should have been invoiced under reverse charge with the client self-accounting. The remediation exposure is principally the B2C unbilled VAT plus any procedural fines for missing Simplified Business Registration.

Second, lodge a Simplified Business Registration application retrospectively to the first-supply date, accompanied by a 수정신고 (voluntary correction filing) covering each unfiled quarter from the first-supply date forward. The voluntary correction reduces the additional-tax exposure materially under the time-graduated reduction framework. The tax representative typically handles the structural sequencing — register first, then file backdated returns with correction.

Third, engage with the jurisdictional NTS district tax office (관할 세무서) for any disclosure scope beyond pure back-filing. Practice in Korea varies by district office, and the tax representative’s experience with the specific office often determines outcomes. Pre-audit voluntary correction unlocks the structured reduction; post-audit correction loses access to most of the reduction framework.

Foreign E-commerce Seller into South Korea

Whether import VAT applies to your consignment comes down to one rule: when the goods physically enter the Korean customs territory. Korea’s customs framework applies VAT at 10% on the CIF + duty + applicable excise base at the point of clearance — and Korean Customs (관세청) and NTS share data closely enough that the import-VAT and onward-sale-VAT pictures are joined throughout audit. The structural decision for foreign e-commerce sellers is whether to ship direct cross-border with the Korean consumer as the de facto recipient of customs liability, operate through a Korean distributor or fulfilment partner who takes title, or set up a Korean subsidiary that becomes the importer of record. Marketplace platforms — Coupang, Naver Shopping, Gmarket, 11Street — each have distinct operational treatments worth understanding.

Does this apply to your store?

If physical goods you sell arrive at a Korean address, you’re inside the import-VAT framework. The treatment then depends on the channel and the importer of record:

• Direct cross-border shipping (you ship internationally to the Korean consumer): import VAT at 10% is collected at customs alongside customs duty. The Korean consumer typically pays this at clearance via the carrier or freight forwarder. The Korean de minimis for import VAT and duty is USD 150 (FOB value, raised in 2024 from USD 100, with USD 200 for US-origin goods under the Korea–US FTA); below this, most personal-use consignments clear free of import VAT and duty.
• Korean fulfilment via a Korean distributor or your own Korean subsidiary: the goods are imported under the Korean entity’s name, full VAT and duty paid at customs, then domestic VAT applies on each onward sale. The Korean entity enrols for VAT, claims input credit on the import VAT, and operates as a normal resident e-commerce seller.
• Marketplace-routed sales via Coupang, Naver Shopping, Gmarket, 11Street, Kakao Shopping: each marketplace operates differently. Coupang’s Rocket Delivery model has the marketplace as the importer of record on goods stocked in Coupang fulfilment centres. Naver Shopping is principally a search and listing infrastructure with the seller typically remaining the importer of record. Gmarket and 11Street have hybrid models. Per-marketplace structural confirmation is required.

Trigger event → statutory deadline (the NTS timeline for resident e-commerce subsidiaries)

Different triggers from the SaaS picture. For e-commerce sellers shipping physical goods into Korea, the import-VAT exposure attaches at every consignment regardless of registration status. The registration question is structural: whether you set up a Korean subsidiary that becomes the importer of record (and enrols for VAT — Korea has no general threshold, so any taxable Korean activity triggers enrolment), or operate through a Korean distributor or marketplace where the importer-of-record role sits with that party.

For a foreign-backed Korean e-commerce subsidiary, the VAT enrolment is required immediately on incorporation if any taxable activity is expected. The simplified-taxpayer threshold (KRW 80 million annual revenue in most sectors) is rarely relevant for foreign-backed e-commerce operations that typically exceed it within the first few months.

The registration walk-through (for Korean subsidiaries)

If you’re going the Korean subsidiary route, the registration sequence is: subsidiary incorporation under the Commercial Code (상법) → Business Registration Certificate issuance through NTS → VAT enrolment (typically combined with the Business Registration step) → Customs Account registration with Korean Customs → bank account configurations and Inter-Bank GIRO setup for VAT and customs payments. The full sequence typically runs 4–6 weeks. For marketplace-routed sales without your own Korean entity, the marketplace’s seller onboarding process handles the operational compliance for sales through the platform; you may still need a separate import-of-record arrangement depending on the fulfilment model.

Charging VAT on goods, shipping, and returns

For your Korean subsidiary as a resident VAT-registered general taxpayer, the applicable rate is 10% on most goods. Zero-rated treatment applies to exports of goods and qualifying international services; exempt treatment applies to basic foodstuffs (limited list), public-regulation educational and medical services, residential housing rental, and certain cultural and welfare services. Most e-commerce consumer-goods categories sit at 10% standard rate.

On import: VAT at 10% on CIF + duty + applicable excise. Korea’s customs duty schedule varies by HS code; many consumer goods sit at zero or low single-digit duty rates, but specific categories (apparel, leather goods, agricultural products) have materially higher duty bands. Excise duty (개별소비세) applies to specific luxury goods, motor vehicles, and certain energy products. Customs valuation under the WTO Valuation Agreement principles, with Korean Customs’s specific application rules.

Returns are treated as credit-note adjustments. Issue a credit note (전자세금계산서 negative or 수정 e-tax invoice for VAT-registered customers) referencing the original invoice number and date; the credit reduces output VAT in the period the credit note is issued.

Take Maple Goods Co., a Canadian DTC brand operating through a Korean subsidiary. Maple imports a consignment of household goods, paying customs duty (HS-dependent, assume 6.5%) and VAT (10%) at customs. The subsidiary then sells a KRW 80,000 item to a Busan consumer. The invoice is KRW 80,000 + 10% VAT = KRW 88,000. Maple’s subsidiary collects the VAT, lodges quarterly preliminary and final returns through Hometax, claims input VAT credit on the import VAT and on overhead expenses, and operates the standard e-tax invoice (전자세금계산서) infrastructure for B2B customers and corporate buyers.

The registration walk-through — portal, forms, documents (revisited for marketplace routing)

For marketplace-routed sales, the operational compliance picture varies by platform. Coupang’s Rocket Delivery model includes Coupang as importer of record for goods stocked in Coupang fulfilment centres — sellers using Rocket Delivery have a meaningfully simpler import-VAT picture than those using the marketplace’s open-marketplace channel. Naver Shopping’s seller agreement places the importer-of-record role on the seller; the marketplace functions principally as listing and search infrastructure. Gmarket and 11Street operate hybrid models depending on the specific seller package.

Confirm in writing with each marketplace, before scaling Korean operations: which party is the importer of record for the goods you sell through the platform, whether the marketplace operates a deemed-supplier role for any of your sales categories, and whether the marketplace integrates with Hometax for VAT data sharing. Maintain the written confirmations in your records — they are the audit-defence documentation if NTS later questions which party should have lodged returns.

Lodging — and the marketplace question

Your Korean subsidiary lodges quarterly preliminary and final returns through Hometax — two preliminary returns by 25 days after the end of each first-half / second-half preliminary period, and two final returns 25 days after each half-year accounting period close. The full lodging cycle runs four touches per year; the lodging interface is Hometax and the payment infrastructure is Korean banking GIRO.

The marketplace question for e-commerce sellers is the structural decision. Operating through Coupang Rocket Delivery shifts the import-VAT and certain onward-sale VAT obligations to the marketplace, reducing your direct compliance footprint. Operating through Naver Shopping or the open Gmarket / 11Street channels keeps you as the importer of record and as the lodging entity. The choice has commercial-margin and operational-complexity implications that vary by product category.

The compliance cost stack

Total run-rate for a mid-volume foreign e-commerce seller operating through a Korean subsidiary typically lands in the KRW 30,000,000–120,000,000 range per year (approximately USD 22,000–90,000), driven by the volume of quarterly lodgings, customs broker fees per shipment, e-tax invoice infrastructure costs, and the input VAT reconciliation against customs records. Korean subsidiary establishment is a separate one-time cost (KRW 8,000,000–25,000,000 including legal and incorporation), and customs brokerage runs on a per-shipment basis (KRW 80,000–250,000 per consignment depending on complexity). The marketplace-routed path bundles many of these compliance costs into platform commissions that typically run 8–18% of GMV.

Three repeat failures we keep seeing — and why

Three places where foreign e-commerce sellers reliably misread Korea VAT. Each one we see often enough that it isn’t bad luck — it’s pattern.

The first: misreading the importer-of-record arrangement on Coupang Rocket Delivery vs Coupang open marketplace. Rocket Delivery (where Coupang stocks and ships) has Coupang as importer of record; open marketplace (third-party direct fulfilment via Coupang’s platform) has the seller as importer of record. Sellers operating across both channels often misclassify which transactions sit on which side, creating reconciliation gaps that surface in NTS audits.

The second: under-investing in import VAT reconciliation against customs records. Korean Customs’s data flows to NTS through the integrated system; the import VAT visible in customs records must reconcile cleanly to the input credit claimed on your subsidiary’s quarterly returns. Mismatches are the standard audit starting point; for an importer with KRW 5 billion of Korean turnover, missing the overheads input credit recovery on office rent, professional fees, and software typically leaves KRW 100,000,000–KRW 400,000,000 on the table per year.

The third: under-declaring CIF value on direct cross-border consignments. Korean Customs operates an active anti-undervaluation enforcement programme; consistent under-declaration across multiple consignments triggers retroactive VAT and duty exposure on the import value, plus delayed-payment penalty plus customs-specific fines that can include cargo detention and importer blacklisting. Maintain commercial invoice, freight invoice, and insurance documentation that withstands customs valuation officer questioning.

The fine exposure

Same framework as the SaaS track applies: 20% general additional tax for failure to lodge, 10% (up to 40% for fraud) for under-reporting, 0.025% per day late-payment penalty (approximately 9.125% per annum), graduated voluntary-correction reduction structure. Plus Customs Act fines for misdeclaration, undervaluation, or violation of import controls — these can include goods seizure, fines up to multiple times the customs duty involved, and importer blacklisting under the Korean Customs framework.

The e-commerce-specific risk worth naming: a customs reassessment that finds consistent under-declaration of CIF value across multiple consignments triggers retroactive VAT and customs duty exposure on the import value, plus potential consequences for the freight forwarder or carrier handling clearance. Korean Customs and NTS share data extensively through the integrated revenue infrastructure; a customs query is often the entry point for a broader VAT review.

For the highest-intent reader of this section: you’re already non-compliant and you want a path forward.

Here’s what we’d recommend. If you’ve been operating Korean e-commerce sales through a structure that should have required your own Korean VAT enrolment — open-marketplace Naver Shopping or Gmarket sales without a Korean subsidiary, or fulfilment arrangements that created an importer-of-record role you didn’t realise — the remediation runs through Korean subsidiary establishment and retrospective VAT enrolment via the tax representative. NTS’s voluntary correction framework reduces the additional-tax exposure materially for pre-audit submissions; the graduated reduction structure (90% reduction within 1 month down to 20% beyond 1 year) makes early action commercially significant. Engage a Korean tax representative with cross-border e-commerce voluntary-correction experience before initiating the correction filing; the framing of the structural narrative (including whether the marketplace arrangement created an unanticipated importer-of-record role) materially affects the settlement outcome.

Foreign Importer / Physical Goods Seller into South Korea

Whether import VAT applies to your consignment comes down to when the goods physically enter Korean customs territory. Import VAT at 10% on CIF + customs duty + applicable excise, customs duty per HS code (the Korean tariff schedule has detailed sector-specific rates), special excise (개별소비세) on luxury goods and certain energy products, recoverability through input VAT credit for VAT-registered Korean entities, and the Free Economic Zone framework providing structural preferential treatment for qualifying operations in designated zones. The structural choices for foreign importers are: full Korean subsidiary or branch, DDP sale to a Korean distributor who imports under their own name, or operation through a bonded warehouse (보세창고) for goods held under bond pending clearance.

Whether you’re the importer of record

Bring goods into South Korea and Korean Customs assesses customs duty (HS-code dependent), VAT at 10% on CIF + duty + applicable excise, and any sector-specific anti-dumping or safeguard duty. The combined liability is payable at clearance, before goods are released into the domestic market.

If you also resell those goods inside Korea under your own name, you need a Korean VAT-registered legal entity — Korea has no general threshold so any taxable Korean activity triggers enrolment. If you sell only to a Korean distributor who takes title and imports under their own name (DDP from your perspective), they are the importer of record and your direct Korean compliance footprint is limited.

Trigger event → statutory deadline (the registration timeline)

Different triggers from the SaaS picture. For importers, the import-VAT exposure attaches at every consignment regardless of registration status. The registration question is structural: whether you set up a Korean subsidiary that becomes the importer of record (and enrols for VAT immediately because Korea has no general threshold), or operate through a Korean distributor (in which case the distributor handles the importer-of-record role and you have no direct Korean VAT registration obligation).

For a foreign-backed Korean import subsidiary, the registration is immediate at incorporation if any taxable activity is expected. The simplified-taxpayer system (annual revenue below KRW 80 million in most sectors) is rarely relevant — foreign-backed import operations virtually always exceed it.

The registration walk-through — portal, forms, documents (customs and VAT together)

Three importer-specific registrations on top of standard VAT enrolment:

• Customs Account registration with Korean Customs (관세청) through the UNI-PASS portal. Required for every commercial-scale importer; assigns the Customs Account Identifier used on every Import Declaration.
• Inter-Bank GIRO setup with Korean Customs for VAT and duty payment at clearance. Avoids cash-on-clearance friction; standard for any importer with regular import volumes.
• Scheme-specific registration where applicable: Free Economic Zone tenant registration for qualifying operations in designated zones (Incheon, Busan-Jinhae, Gwangyang Bay, Yellow Sea, Daegu-Gyeongbuk, East Coast); Bonded Warehouse operator approval if you intend to operate or lease bonded warehousing capacity. Each scheme has eligibility criteria, approval timelines, and operational requirements documented in Korean Customs guidance.

How import VAT is calculated

Standard rate import VAT at 10% on CIF + customs duty + applicable excise. For consumer and industrial goods at moderate duty rates (5–8%, which is typical for the categories foreign e-commerce and B2B importers handle), the VAT base is meaningfully higher than CIF alone.

Run the numbers on a USD 100,000 CIF consignment of standard consumer goods at 6.5% customs duty. Duty = USD 6,500. VAT base = CIF + duty = USD 106,500. VAT at 10% = USD 10,650. Total at clearance: USD 17,150 (duty + VAT). If the Korean subsidiary is a VAT-registered general taxpayer using the goods for taxable supplies, the USD 10,650 VAT is recoverable as input VAT credit on the next quarterly return. The duty is not recoverable — it’s a true cost item affecting landed-cost competitiveness.

Specific excise duty (개별소비세) applies to specific categories — passenger vehicles above specified engine sizes, certain energy products, jewellery and precious goods above value thresholds, certain entertainment and gambling services. For foreign importers in those categories, the calculation incorporates the excise duty into the VAT base before the 10% applies; the cumulative effective tax rate can be materially higher than the headline 10% VAT figure.

Invoicing for re-sold imports (the Korean e-tax invoice chain)

Korea’s mandatory e-tax invoice (전자세금계산서) system applies for B2B supplies between VAT-registered businesses. Three importer-specific notes:

• Reference the Import Declaration number on the e-tax invoice for goods you imported and re-sold; this links the customs records to the VAT records and is the standard reconciliation point in NTS audits.
• For sales to other Korean VAT-registered businesses, the customer can claim input VAT credit on the VAT you charge — so accurate Korean Business Registration Number capture on both sides matters operationally and is required for the input-credit chain to function. The e-tax invoice infrastructure handles the documentation flow electronically.
• Operation through a Free Economic Zone (자유경제구역) or bonded warehouse (보세창고) requires the specific zone or bond documentation chain to substantiate the preferential treatment in audit. Without it, the deferred or zero-rated treatment fails and full VAT applies retroactively.

Lodging — and where importers extract real value

Your Korean subsidiary lodges quarterly preliminary and final returns through Hometax — two preliminary, two final, four touches per year. The returns capture input VAT claims (including import VAT) and the net VAT payable or refundable.

The input VAT reclaim is where importers extract most of their compliance value at the 10% rate. It’s also where most NTS audits focus. Reconciliation between the import VAT paid (visible in customs records via the UNI-PASS integration with NTS) and the input credit claimed in the quarterly returns is the standard audit starting point. For high-volume importers, the reconciliation discipline is the principal compliance workstream.

The real cost of compliance for importers

Itemised cost matrix for a mid-sized foreign importer operating through a Korean subsidiary (KRW 5 billion–KRW 50 billion of annual Korean turnover, approximately USD 3.7M–USD 37M):

Three repeat failures we keep seeing — and why

The importer’s exposure checklist — four lines we audit every foreign-importer engagement against:

• HS classification correct and defensible. Korean Customs’s audit posture on HS classification has intensified through 2026; the customs valuation officer scrutiny on composite goods and category-boundary classifications is consistent. Misclassification triggers retroactive VAT and customs duty exposure plus delayed-payment penalty. Maintain HS classification documentation that withstands a customs officer’s questioning.
• Import VAT reconciliation discipline. The credit on import VAT (visible in UNI-PASS records and matched to quarterly returns) must reconcile cleanly. Mismatches are the standard NTS audit starting point. For an importer with KRW 20 billion of Korean turnover, missing the overheads input VAT credit recovery on office rent, professional fees, and software typically leaves KRW 200,000,000–KRW 600,000,000 on the table per year.
• Import Declaration reference on outward e-tax invoices. The Import Declaration Number on outward e-tax invoices is the link between customs records and VAT records; both authorities use it for audit reconciliation. Missing or mis-keyed Import Declaration references trigger reconciliation queries that delay credit recovery and complicate audit defense.
• Free Economic Zone / Bonded Warehouse documentation chain in place where preferential treatment is claimed. The FEZ tenant framework, the bonded warehouse scheme, and the various export-processing arrangements each have specific documentary requirements. Operating under one without the documentation chain fails in audit; back-VAT plus penalty becomes payable retroactively.

Customs and VAT fines together

The NTS fine framework applies as for other personas: 20% general additional tax for failure to lodge, 10–40% for under-reporting (depending on fraud), 0.025% per day late-payment, graduated voluntary-correction reduction structure. Plus Customs Act fines for misdeclaration, undervaluation, or violation of import controls — these can include goods seizure, fines exceeding the customs duty involved, and importer blacklisting under the Korean Customs framework.

Korean Customs and NTS share data extensively through the integrated revenue infrastructure. A customs reassessment routinely triggers a VAT reassessment because the import VAT base depends on customs valuation. Treating customs and VAT as separate compliance silos is how foreign importers create their own worst exposure in Korea.

For the highest-intent reader of this section: you’re already non-compliant and you want a path forward.

Here’s what we’d recommend. Importer remediation checklist:

• Engage both a Korean customs broker (관세사) AND a Korean Certified Tax Accountant (세무사) before lodging any voluntary correction. Importers facing exposure have two evidence chains to reconcile — UNI-PASS customs records and Home tax VAT records — and the correction must clean across both.
• Pull the UNI-PASS customs records first, Home tax VAT records second. Korean Customs is the authoritative source; the VAT picture is derivative of it. Reconcile to customs.
• Lodge a 수정신고 voluntary correction before NTS issues any query or commences audit. The graduated reduction structure (90% reduction within 1 month, declining to 20% beyond 1 year) makes early action commercially significant.
• Expect a reconciliation meeting with the jurisdictional district tax office before the voluntary correction settlement is finalized. The reduced-penalty path is real but gated on the correction being technically complete and reconciling cleanly across the customs-VAT chain.

Local Korean Business

If your business is established in Korea, VAT applies from supply one — Korea has no general turnover threshold for VAT enrolment, which makes the system unusually simple at the entry point. The simplified-taxpayer regime (간이과세자) is available for businesses below KRW 80 million annual revenue in most sectors, but the structural choice of simplified vs general taxpayer carries operational and input-credit-recovery implications that are worth thinking through carefully. The bigger 2026 questions for most Korean-resident businesses are about the e-tax invoice (전자세금계산서) infrastructure (mandatory for all corporate businesses and progressively expanding to smaller sole proprietorships) and the quarterly preliminary and final lodging rhythm that defines the compliance cadence.

When the trigger level kicks in

Different from most jurisdictions: Korea has no general turnover threshold for VAT enrolment. All taxable business activity is in scope from supply one. The structural choice is between general taxpayer (일반과세자) and simplified taxpayer (간이과세자) — the latter available for businesses below KRW 80 million in annual revenue in most sectors (lower thresholds in certain professional services categories).

Simplified taxpayers calculate VAT on a sector-specific value-added rate (1–4% of supply value, depending on sector) rather than full output-minus-input. They have limited input credit recovery. The simplified regime is operationally lighter but commercially weaker for businesses with significant input costs — the threshold question is whether your input cost profile makes the lost input credit recovery more expensive than the simplified-regime convenience benefit.

Trigger event → statutory deadline (the registration timeline)

Within 20 days of becoming subject to VAT — which for most new businesses means within 20 days of business commencement. Enrolment runs through Hometax or in person at the jurisdictional district tax office. The Business Registration Certificate is the integrated registration document covering business registration with the broader tax administration and VAT registration simultaneously.

Crossing the simplified-taxpayer threshold (KRW 80M annual revenue) triggers reclassification to general taxpayer status from the start of the following half-year accounting period. Operating as a simplified taxpayer once revenue clearly exceeds the threshold accumulates exposure; the reclassification path is the standard mechanism.

The registration walk-through — portal, forms, documents

Through Hometax (hometax.go.kr) or in person at the jurisdictional district tax office. Documents required:

• Business registration documents (사업자등록 신청서).
• Identification of the representative (residential registration card or passport for foreign-resident representatives).
• Proof of business address (lease agreement, property documentation, or utility bill).
• Business activity description (mapped to NTS sector classifications).
• Bank account details for Inter-Bank GIRO and Hometax payment configurations.
• Designation of authorised signatory through NTS digital authentication (공인인증서 / 공동인증서).

Most enrolments complete within 1–2 weeks of a full application. The Business Registration Certificate is issued through Hometax once approved.

What you charge — and the zero-rate versus exempt distinction

Standard rate 10% on taxable supplies. Zero-rated 0% on exports of goods, qualifying international transport and services consumed outside Korea, and certain Free Economic Zone supplies — zero-rated supplies are taxable supplies, so input VAT credit is recoverable. Exempt supplies (basic foodstuffs limited list, public-regulation medical and educational services, financial services, residential housing rental, certain cultural and welfare services) are outside the VAT system; input VAT on costs attributable to exempt supplies is generally not recoverable.

The distinction between zero-rated and exempt is structurally important for Korean businesses with mixed supplies. A business that supplies both exempt and taxable services (the typical case for some financial-services adjacent and healthcare-adjacent firms) operates a partial-credit methodology to determine input VAT recovery — this is one of the more technically complex areas of Korean VAT practice and is usually where mid-sized businesses engage external advisory support.

Invoicing rules and the e-tax invoice infrastructure

Korea’s mandatory e-tax invoice (전자세금계산서) system is among the most mature globally. All corporate businesses (법인사업자) must issue e-tax invoices through Hometax or NTS-approved private e-tax invoice providers. Individual businesses (sole proprietors, 개인사업자) above KRW 100 million in annual supply value are also subject to the e-tax invoice mandate; the threshold has been progressively reduced and continues to trend downward.

The e-tax invoice must include: supplier business name and Korean Business Registration Number, customer business name and Korean Business Registration Number, invoice issue date and the date of supply, description of supplies, taxable value, VAT amount, and total. The invoice flows through Hometax (or the approved private provider) and is electronically signed and timestamped by the supplier.

Korean Business Registration Number capture for customers is the gating compliance discipline. Issuing an e-tax invoice with an incorrect Korean Business Registration Number prevents the customer from claiming input VAT credit and creates contractual liability between supplier and customer. TaxDo’s Global Tax Identity engine validates Korean Business Registration Numbers across the NTS registry in real time.

Lodging rhythm for local businesses

Quarterly preliminary and final returns through Hometax — two preliminary, two final, four touches per year. The preliminary returns cover the first half of each half-year accounting period; the final returns cover the second half plus reconciliation of the preliminary period. Filing deadline is 25 days after the end of each preliminary or final period.

Simplified taxpayers lodge annually, due 25 January of the following year. The annual return reflects the sector-specific value-added rate applied to the year’s supplies, with limited input credit recovery.

The internal cost of being VAT-compliant

For most resident Korean businesses, the live cost of VAT compliance is people-time and accounting-system investment. A small business as a simplified taxpayer can manage VAT in-house with a basic accounting platform. A general-taxpayer business — broadly, KRW 500 million annual revenue and above — typically spends KRW 15,000,000–60,000,000 per year on external 세무사 (Korean Certified Tax Accountant) advisory and compliance support, more for businesses with complex partial-credit methodologies, significant import operations, or scheme-specific positions.

Three cost lines worth singling out because they are one-off or category-specific:

• E-tax invoice infrastructure setup (for businesses crossing into the mandatory e-tax invoice scope or upgrading to a private e-tax invoice provider): KRW 1,500,000–8,000,000 of one-off integration work depending on accounting platform. Cheaper if you’re on Korean-localised platforms (Douzone, Yeongmu, Smart-A) with native e-tax invoice integration; more if you’re on a bespoke or international platform without native support.
• Annual VAT reconciliation and reasonableness review: KRW 2,000,000–8,000,000 of advisory work depending on complexity. The annual review ties together the four quarterly returns and the books of accounts; reconciliation gaps surface here even if quarterly filings were clean.
• Free Economic Zone tenant application (if applicable, for businesses operating in designated FEZ areas): KRW 5,000,000–20,000,000 of one-off advisory work. Recovered through working-capital benefit and the FEZ-specific tax preferences that apply to qualifying operations.

The traps for local Korean businesses

Where do most local Korean finance teams trip up first in 2026?

Mis-managing the simplified-taxpayer to general-taxpayer transition. The KRW 80 million annual revenue threshold for simplified taxpayer eligibility is calculated on a rolling basis; once crossed, reclassification to general-taxpayer status applies from the start of the following half-year accounting period. Businesses that operate as simplified taxpayers once revenue has clearly exceeded the threshold accumulate exposure on the difference between simplified and general-taxpayer VAT calculations. We see this most often with rapidly growing small-business operations where the year-on-year revenue progression catches the simplified regime mid-year.

What’s the second?

Mis-applying the partial-credit methodology for mixed taxable / exempt supplies. Businesses with mixed supplies (financial-services adjacent firms, healthcare adjacent firms) need to apportion input VAT between taxable-supply-attributable and exempt-supply-attributable inputs. The methodology choice (individual attribution vs proportional method) and its consistent application materially affect input credit recovery. Year-end reconciliation of partial-credit positions is one of the most common audit-query points for mid-sized Korean businesses.

And the third?

Issuing e-tax invoices with incorrect Korean Business Registration Numbers. The e-tax invoice’s electronic flow through Hometax means an incorrect Korean Business Registration Number on the customer side prevents the customer from claiming input VAT credit — creating immediate commercial liability and reconciliation problems. The validation should happen before invoice issuance, not after. Korean Business Registration Number validation via Hometax’s public lookup or via TaxDo’s Global Tax Identity engine is the cleanest gating control.

Fine exposure for residents

The framework applies as for other personas: 20% general additional tax for failure to lodge, 10–40% under-reporting additional tax, 0.025% per day late-payment penalty, graduated voluntary-correction reduction structure. Two resident-specific items worth flagging:

• Failure to enrol when required: penalty exposure on the unbilled VAT plus delayed-payment plus additional tax. Korea’s no-threshold framework makes the enrolment trigger essentially deterministic for any taxable activity — failure to enrol is rarely accidental.
• Issuing a non-compliant e-tax invoice (incorrect customer Korean Business Registration Number, missing mandatory fields, or paper invoice issued where e-tax invoice was required): 1–2% of supply value as a procedural fine, plus the customer’s lost input credit on the underlying supply.

For the highest-intent reader of this section: you’re already non-compliant and you want a path forward.

Here’s what we’d recommend. The remediation path for most local Korean businesses runs through 수정신고 voluntary correction. A common pattern: an external year-end review picks up a misclassification — a zero-rated supply incorrectly treated as exempt (or vice versa), an invoice issued without VAT when VAT should have applied, an e-tax invoice issued with an incorrect Korean Business Registration Number, or a partial-credit methodology that produced a recoverable input credit claim against an exempt supply. The standard fix is voluntary correction to NTS through Hometax, payment of the unbilled or wrongly recovered VAT with delayed-payment penalty, and where applicable an amended return filing. The graduated reduction structure (90% reduction within 1 month, declining to 20% beyond 1 year) makes early action commercially significant. Engage a Korean Certified Tax Accountant with experience in your sector before initiating the correction; sector-specific practice and the framing of the structural narrative materially affect the settlement outcome.

Cross-track essentials

Invoicing requirements

The Korean e-tax invoice (전자세금계산서) format applies for B2B supplies between VAT-registered businesses. The mandatory fields:

• Supplier business name and Korean Business Registration Number.
• Customer business name and Korean Business Registration Number (for B2B supplies).
• Invoice issue date and the date of supply.
• Description of supplies by line item.
• Taxable value per line item.
• VAT amount, separately stated (at 10% standard rate).
• Total amount payable, inclusive of VAT.
• Electronic signature and timestamp from Hometax or approved private e-tax invoice provider.

For B2C supplies and for businesses below the e-tax invoice mandate, traditional paper or simple electronic invoices are acceptable, with equivalent content.

E-tax invoice infrastructure

Korea’s mandatory e-tax invoice system is one of the most mature globally. All corporate businesses must issue e-tax invoices for B2B supplies through Hometax or NTS-approved private e-tax invoice providers. Individual businesses (sole proprietors) above KRW 100 million in annual supply value are also subject; the threshold has been progressively reduced over the past decade and is expected to continue trending downward.

Practical preparation for e-tax invoice operations starts with counterparty data quality: invoices flowing through Hometax must reference valid Korean Business Registration Numbers. TaxDo’s Global Tax Identity engine validates Korean Business Registration Numbers alongside Tax IDs across 150+ countries, which is the cleanest first step toward e-tax invoice operational readiness regardless of the specific accounting platform you use.

Audit and record-keeping

Records must be retained for 5 years from the relevant accounting-period close. Electronic records are permitted and now standard; the only requirement is that records must be retrievable on demand by NTS in a format and timeframe NTS specifies. Records must reconcile across e-tax invoices, paper invoices, credit/debit notes, supplier invoices, Import Declarations for imports, bank statements, contracts, and accounting ledgers. NTS audit programmes are routine; the audit cycle for mid-sized businesses is typically every 3–5 years, with sector-specific or risk-based audits more frequent for certain industries.

Fines summary

NTS’s 수정신고 voluntary correction framework reduces additional-tax exposure materially for pre-audit corrections. The graduated reduction structure: 90% reduction within 1 month of the original deadline, 75% within 3 months, 50% within 6 months, 30% within 1 year, 20% beyond 1 year (but pre-audit). Post-audit corrections lose access to most of this reduction framework.

Frequently asked questions

What is the South Korea VAT rate in 2026?

For all sellers

10% standard rate, stable since 1977. Korea has not undertaken a rate-rationalisation reform comparable to Japan (2014, 2019) or India (2025). Zero-rated 0% applies to exports of goods, qualifying international transport, and services consumed outside Korea. Exempt categories include basic foodstuffs, regulated medical and educational services, financial services, and residential housing rental.

Do foreign companies need to enrol for Korea VAT?

For overseas businesses

Yes, where supplying electronic services to Korean B2C consumers. Korea operates a Simplified Business Registration regime (Article 53-2 VAT Act, since 1 July 2015) — the obligation crystallises at the first B2C supply with NO turnover threshold. Quarterly lodging through Hometax. B2B supplies use reverse charge (Korean business client self-accounts).

What is the Korea VAT enrolment threshold for resident businesses?

For local Korean businesses

Korea has NO general turnover threshold for VAT enrolment — all taxable business activity is in scope from supply one. Businesses below KRW 80 million annual revenue in most sectors can opt for the simplified taxpayer regime (간이과세자), which uses sector-specific value-added rates rather than full output-minus-input VAT calculation.

How often do I lodge Korea VAT returns?

For all registered taxpayers

Quarterly preliminary and final returns — two preliminary and two final returns per year, due 25 days after the end of each preliminary or final period. Simplified taxpayers lodge annually, due 25 January of the following year. Foreign electronic service suppliers under Simplified Business Registration lodge quarterly through Hometax.

What is the late-payment penalty in Korea?

For all registered taxpayers

0.025% per day on the outstanding amount (approximately 9.125% per annum), capped at the lower of 5 years of accrual or specific regulatory limits. General additional tax for failure to lodge: 20%. Additional tax for under-reporting: 10–40% depending on fraud. NTS’s 수정신고 voluntary correction framework reduces exposure materially for pre-audit corrections.

What is the Simplified Business Registration regime for foreign electronic service suppliers?

For overseas SaaS and digital service providers

Korea’s regime under Article 53-2 of the VAT Act, effective 1 July 2015, for cross-border electronic services to Korean B2C consumers. Foreign suppliers enrol through Hometax (no turnover threshold — obligation arises from first supply), charge 10% VAT on B2C supplies, and lodge quarterly. B2B supplies to Korean VAT-registered businesses use reverse charge with the Korean client self-accounting.

Do I need a tax representative in Korea?

For overseas businesses

Not strictly required under Article 53-2, but as a practical matter virtually every foreign supplier engages a Korean Certified Tax Accountant (세무사) as tax representative for Hometax interactions, NTS correspondence, and audit defence. Selection matters; the tax representative effectively becomes your Korean VAT compliance front.

How does the B2B reverse-charge mechanism work for foreign electronic services?

For overseas suppliers and Korean business clients

Foreign suppliers of electronic services to Korean VAT-registered business clients do not charge VAT on their invoice. The Korean business client self-accounts for both output and input VAT under reverse charge on their own quarterly return. Confirm the client’s business status before invoicing on a no-VAT basis; invoicing a Korean consumer on a no-VAT basis is a direct compliance breach.

What is the e-tax invoice (전자세금계산서) system?

For all Korean VAT-registered businesses

Korea’s mandatory electronic invoice system, operational since 2011 for corporate businesses (법인사업자) and progressively extended to individual businesses (sole proprietors) above KRW 100M in annual supply value. Invoices flow through Hometax or NTS-approved private e-tax invoice providers; the invoice is electronically signed and timestamped before flowing to the customer. Mandatory for B2B supplies.

How is import VAT calculated at Korean customs?

For foreign importers

Import VAT at 10% on CIF + customs duty + applicable excise (개별소비세 for specific luxury and energy products). For most consumer goods at 5–8% customs duty: USD 100K CIF → USD 6K duty → USD 106K VAT base → USD 10.6K VAT. VAT is recoverable as input credit for VAT-registered Korean entities; duty is not recoverable (a true cost item). Free Economic Zone arrangements provide structural preferential treatment for qualifying operations.

Are land and financial services exempt from Korea VAT?

For all sellers

Most are. Sale of land, most financial services (banking, insurance, securities), regulated medical services, public-regulation educational services, residential housing rental, and certain cultural and welfare services are exempt — outside the VAT system. Input VAT on costs attributable to exempt supplies is generally not recoverable, which makes partial-credit methodology a key compliance discipline for mixed-supply businesses.

How do I correct an error in a Korea VAT return after lodging?

For all registered taxpayers

NTS’s 수정신고 voluntary correction framework is the standard remediation path. Pre-audit voluntary correction reduces additional-tax exposure materially under the graduated reduction structure (90% within 1 month, 75% within 3 months, 50% within 6 months, 30% within 1 year, 20% beyond 1 year). Lodge through Hometax with supporting documentation. Engage a Korean Certified Tax Accountant with sector-specific experience before initiating.

Recent and upcoming changes

Already in effect

• Simplified taxpayer threshold raised to KRW 80 million in 2024 for most sectors (from KRW 48 million); lower thresholds remain for certain professional services categories.
• Individual business (sole proprietor) e-tax invoice mandate lowered to KRW 100 million annual supply value in the 2024 threshold reduction; further reductions expected through 2026–2027.
• Korea–US FTA de minimis treatment continuing — USD 200 FOB threshold for US-origin goods (vs USD 150 general).
• Free Economic Zone framework continues to operate in six designated zones (Incheon, Busan-Jinhae, Gwangyang Bay, Yellow Sea, Daegu-Gyeongbuk, East Coast) with specific tax preferences for qualifying operations.

Coming up

• Continued reductions in the individual business e-tax invoice threshold are expected through 2026–2027, with the trend toward universal e-tax invoice coverage for all VAT-registered businesses.
• Annual Tax Reform Bill (세제개편안) for the 2027 fiscal year expected in late summer 2026; consult NTS announcements for updates affecting 2027 obligations.
• Continued NTS-Korean Customs data integration through the UNI-PASS to Hometax infrastructure, supporting tighter import VAT and onward sale VAT reconciliation.

Primary sources cited in this guide

• National Tax Service (국세청 / NTS) — VAT information: https://www.nts.go.kr/
• NTS English website: https://www.nts.go.kr/english/
• Hometax — NTS electronic filing portal: https://www.hometax.go.kr
• Korean Customs (관세청) — UNI-PASS portal: https://unipass.customs.go.kr
• Ministry of Economy and Finance — Tax policy: https://english.moef.go.kr/
• Value-Added Tax Act (부가가치세법) on the Korean Legislation Information Center: https://www.law.go.kr/
• Korea Customs Service English information: https://www.customs.go.kr/english/main.do
• Free Economic Zone overview (Ministry of Trade, Industry and Energy): https://www.fez.go.kr/

Disclaimer

This guide is provided for general informational purposes by the TaxDo Tax & Regulatory Advisory Team. While our team thoroughly reviews and updates this content for accuracy before publishing, tax regulations change rapidly and local practices vary. This article does not constitute formal legal, tax, or accounting advice and should not be relied upon for specific compliance decisions. Always consult a qualified, licensed tax professional before taking action. TaxDo accepts no liability for actions taken based on this content.