Latvia Tax ID Number (TIN) Guide

Introduction

In Latvia, the Tax Identification Number (TIN) is a unique identifier assigned to individuals and entities for tax purposes. For individuals, this is known as the Personal Identity Number (Personas kods), while for entities, it is referred to as the Enterprise Registration Number (Uzņēmuma reģistrācijas numurs). Possessing the correct TIN is crucial for ensuring compliance with Latvian tax regulations for both individuals and businesses. All information presented in this guide is verified from official sources, including the State Revenue Service (Valsts ieņēmumu dienests) and other trusted government publications.

Tax Identification Number Types

Latvia employs specific types of TINs for different categories:

Personal Identity Number (Personas kods): Applicable to individuals.

Enterprise Registration Number (Uzņēmuma reģistrācijas numurs): Assigned to legal entities and businesses.

These classifications are directly referenced from the official guidelines provided by the State Revenue Service.

TIN Format and Structure

Personal Identity Number (Individuals)

The Personal Identity Number consists of 11 digits in the format: DDMMYYCZZZZ.

DDMMYY: Represents the individual’s date of birth (Day, Month, Year).
C: Century indicator (‘0’ for 19th century, ‘1’ for 20th century, ‘2’ for 21st century).
ZZZZ: Unique serial number assigned to the individual.

This structure is meticulously outlined in the official documentation by the State Revenue Service.

Enterprise Registration Number (Businesses)

The Enterprise Registration Number comprises 11 digits, typically starting with a ‘4’ or ‘5’, following the format: XXXXXXXXXXX, where:

First Digit: Indicates the type of entity.
Remaining Digits: Unique identifier assigned to the entity upon registration.

The format and structure are specified by the State Revenue Service.

Issuing Authority

The State Revenue Service (Valsts ieņēmumu dienests) is the official body responsible for issuing TINs in Latvia. Their official website provides comprehensive information and services related to tax identification numbers.

Registration Process

For Individuals (Personal Identity Number):

Residents: The Personal Identity Number is assigned at birth and is included in official identification documents.
Non-Residents: Must apply through the Office of Citizenship and Migration Affairs to obtain a Personal Identity Number.

Required Documents:

Valid passport or national ID card.
Completed application form (available at the Office of Citizenship and Migration Affairs).

For Businesses (Enterprise Registration Number):

Step 1: Register the business with the Enterprise Register of the Republic of Latvia.
Step 2: Upon successful registration, the Enterprise Registration Number is issued.

Required Documents:

Business incorporation documents.
Identification of the founders or legal representatives.

Fees:

Fees vary depending on the type of registration and services required.

The registration processes are up-to-date with current policies as per the State Revenue Service.

TIN Verification and Lookup

To verify a TIN:

For VAT Numbers: Utilize the VIES (VAT Information Exchange System) provided by the European Commission to validate VAT numbers across EU member states. Or Instantly Verify Tax IDs in Latvia with TaxDo Real-Time TIN Validation Platform

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

What Makes TaxDo Different?

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Whether you’re conducting due diligence, onboarding clients, granting tax exemption, or managing vendor compliance in Latvia, 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.

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TIN and VAT Number Connection

In Latvia, the VAT number is the same as the Enterprise Registration Number for businesses, prefixed with ‘LV’. The format is: LVXXXXXXXXXXX, where ‘LV’ is the country code followed by the 11-digit Enterprise Registration Number. This connection is explicitly confirmed by the State Revenue Service.

Why Accurate TIN Validation Matters

Ensuring the accuracy of your TIN is critical for both businesses and individuals in Latvia. 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 Latvia State Revenue Service or TaxDo real-time global tax ID verification platform ensures accurate Tax ID validation, error reduction, and full compliance with Latvia tax laws.

Stay Compliant with TaxDo

While the The State Revenue Service offers a basic PIN checker, TaxDo takes Latvia 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 Latvia and beyond.