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Guideline / Bulgaria

Bulgaria Tax ID Number (TIN) Guide 

Table Of Content

  • Introduction
  • Tax Identification Number Types 
  • TIN Format and Structure 
  • Issuing Authority and Registration Process 
  • TIN Verification and Lookup 
  • TIN and VAT Number Connection 
  • Why Accurate TIN Validation Matters 
  • Stay Compliant with TaxDo 

Introduction

In Bulgaria, the Tax Identification Number (TIN) is a unique identifier assigned to individuals and legal entities for tax purposes. Possessing the correct TIN is essential for compliance with Bulgarian tax regulations, facilitating accurate tax reporting, and ensuring seamless business operations. All information provided in this guide is verified from official sources, including the National Revenue Agency (NRA) of Bulgaria and the European Commission.​European Commission 

Tax Identification Number Types 

In Bulgaria, the TIN is known as the “Единен граждански номер” (Unified Civil Number) for individuals and the “Единен идентификационен код” (Unified Identification Code) for legal entities:​ 

  • Unified Civil Number (ЕГН): Assigned to Bulgarian citizens and foreign residents for personal identification.​Taxation and Customs Union 
  • Unified Identification Code (ЕИК): Assigned to legal entities and is used for tax and business identification purposes.​ 

These identifiers are applicable as follows:​ 

  • Individuals: Use the ЕГН as their TIN.​ 
  • Legal Entities: Use the ЕИК as their TIN.​ 

TIN Format and Structure 

The formats for Bulgarian TINs are as follows:

  • Unified Civil Number (ЕГН): 
    • Format: 10 digits.​
    • Structure: 
      • Digits 1–6: Date of birth in the format YYMMDD. 
      • Digits 7–9: Unique identifier. 
      • Digit 10: Checksum digit for validation. 
  • Unified Identification Code (ЕИК): 
    • Format: 9 digits.​
    • Structure: 
      • Digits 1–8: Unique identifier assigned to the entity. 
      • Digit 9: Checksum digit for validation. 

Issuing Authority and Registration Process 

The National Revenue Agency (NRA) of Bulgaria is responsible for issuing TINs. Their official website provides comprehensive information on tax obligations and services.​ 

Registration Process: 

  • For Individuals: 
  1. Eligibility: All Bulgarian citizens and foreign residents.​
  1. Documents Required: 
    • Personal identification documents (e.g., passport, national ID card). 
    • Residence permit (for foreign residents). 
  1. Application Process: 
    • Visit the local NRA office. 
    • Submit the required documents. 
    • The ЕГН is typically issued at birth for Bulgarian citizens or upon registration for foreign residents. 
  • For Legal Entities: 
  1. Eligibility: All companies and organizations operating in Bulgaria.​ 
  1. Documents Required: 
    • Company incorporation documents. 
    • Proof of address. 
    • Identification documents of company representatives. 
  1. Application Process: 
    • Register the company with the Bulgarian Commercial Register. 
    • Upon successful registration, the ЕИК is assigned and serves as the TIN. 

There are no fees associated with obtaining a TIN in Bulgaria.​ 

TIN Verification and Lookup 

To verify a Bulgarian TIN, individuals and businesses can use the following methods:​ 

  • For VAT Numbers: 
    • Utilize the European Commission’s VIES (VAT Information Exchange System) to validate Bulgarian VAT numbers.
  • For Non-VAT TINs: 
    • Contact the NRA directly or visit their official website for guidance on verification procedures. ​NRA 

Or Instantly Verify Tax IDs in Bulgaria with TaxDo Real-Time TIN Validation Platform 

TaxDo offers a compliant, automated, and globally trusted solution for TIN verification—not just in Bulgaria, but across 135+ jurisdictions. Unlike other solutions, TaxDo validates tax IDs instantly and securely using only official government sources. 

What Makes TaxDo Different? 

  • Real-time TIN verification for Bulgaria and 135+ countries  
  • Seamless API integration into your ERP, CRM, or onboarding system 
  • Powerful dashboard to manage and track tax ID validations globally 
  • Fully compliant and official-source-based results ONLY 

Whether you’re conducting due diligence, onboarding  clients, granting tax exemption, or managing vendor compliance in Bulgaria, TaxDo helps you avoid risks, delays, and penalties with effortless global Tax ID validation. 

📩 Get started today or schedule a free demo to see how TaxDo simplifies tax compliance. 

Schedule a Demo

TIN and VAT Number Connection 

In Bulgaria, the TIN for legal entities (ЕИК) also serves as the VAT identification number. The format for Bulgarian VAT numbers is:​ 

  • Format: ‘BG’ + 9 digits (the ЕИК).
  • Example: BG123456789​

For individuals registered for VAT, the VAT number comprises ‘BG’ followed by their ЕГН. ​ 

Why Accurate TIN Validation Matters 

Ensuring the accuracy of your TIN is critical for both businesses and individuals in Bulgaria. An incorrect or unverified TIN can lead to serious complications such as: 

  • Delays in tax processing 
  • Rejection of tax exemption claims 
  • Fines and penalties for non-compliance 
  • Rejection of e-invoicing submissions 
  • Onboarding unqualified suppliers or customers 
  • Data quality issues across finance and compliance systems 

Using the National Revenue Agency of Bulgaria or TaxDo real-time global tax ID verification platform ensures accurate Tax ID validation, error reduction, and full compliance with Bulgaria tax laws. 

Stay Compliant with TaxDo 

While the National Revenue Agency offers a basic PIN checker, TaxDo takes Bulgaria TIN validation to the next level with real-time results, periodic revalidation for ongoing compliance, and seamless integration into your systems. 

With TaxDo, you can automate Tax ID validation, monitor changes, and ensure continuous compliance, all from a single, user-friendly dashboard or through API connectivity. 

TaxDo is trusted by leading enterprises, platforms, and compliance teams worldwide. Try it now and eliminate the risks of Tax ID errors in Bulgaria and beyond. 

FAQ

What types of Tax Identification Numbers (TINs) exist in Bulgaria?

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How are Bulgarian Tax Identification Numbers (TINs) structured?

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How do I obtain a Bulgarian Tax Identification Number?

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How can I verify a Bulgarian TIN or VAT number online?

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