Country guide

Kazakhstan

Kazakhstan uses the Individual Identification Number (IIN) for individuals and the Business Identification Number (BIN) for legal entities, branches, representative offices, and joint-entrepreneurship cases. Both identifiers are 12-digit numbers used in national identification registers and tax authority databases.

KZ KAZ 2 TIN types Last reviewed 2026-06-01

TIN types

2 published formats. Open a type to see examples, structure details, and official sources.

Validate Kazakhstan TIN

Kazakhstan Individual Identification Number (IIN)

Current Individuals

Ministry of Internal Affairs of the Republic of Kazakhstan

The IIN is the 12-digit personal identifier used for individuals in Kazakhstan, including individual entrepreneurs who operate as personal entrepreneurs.

Details

Examples

123456789013 987654321090

Where to find it

On the national identity card below the date of birth, on page 2 of a Kazakhstan passport, and on relevant residence or stateless-person documents for foreign or stateless persons.

Common names

IIN Individual identification number ИИН

Structure

1-11 Identifier body Core numeric identifier assigned automatically.

12 Check digit Control digit used to reduce input errors.

Official source

oecd.org adilet.zan.kz egov.kz gov.kz kgd.gov.kz

Kazakhstan Business Identification Number (BIN)

Current Entities

Ministry of Justice of the Republic of Kazakhstan

The BIN is the 12-digit identifier used for legal entities, branches, representative offices, and individual entrepreneurs operating in joint entrepreneurship.

Details

Examples

120140000123 250550123456

Where to find it

On the certificate of state registration of a legal entity and in State Revenue Committee taxpayer search results.

Common names

BIN Business identification number БИН

Structure

1-4 Registration period Last two digits of the year and the month of registration or re-registration.

5 Holder type Indicates resident legal entity, non-resident legal entity, or joint-entrepreneurship individual entrepreneur.

6 Structural attribute Indicates head unit, branch, representative office, or a peasant or farm joint-entrepreneurship attribute.

7-11 Serial Registration serial assigned within the system.

12 Check digit Automatically determined control digit.

Official source

oecd.org adilet.zan.kz gov.kz kgd.gov.kz