TIN Check

TIN Check Croatia

Check here if the TIN number is valid for Croatia

Croatia Croatia
Official country information

TIN validation guidance for Croatia

Access country-specific reference information, recognised formats and validation resources designed for compliance teams, finance departments and enterprise operations.

TIN Check Croatia (HR)

In Croatia, the Taxpayer Identification Number TIN is designated by Personal Identification Number (OIB) and is issued by the Tax Administration. The TIN / OIB have the same format and structure for Individuals or Entities.

To validate a tax identification number from Greece, the TIN / OIB must be placed on top of it, which must obey the following format:


For Individuals or Entities

The TIN / OIB assumes the following format:
• NNNNNNNNNNN (Total of 11 digits)

N identifies that it must be a numeric digit.

After validation, additional information on the TIN / OIB introduced will be made available

Reference formats

Official example structures

Use the following examples as guidance for commonly recognised tax identification formats.

Individual

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For organisations requiring recurring validations, account-based access provides a more controlled and scalable experience.

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Reference articles and country guidance

Explore selected country-specific content to better understand regional tax identification practices.

Security and reliability

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TIN Check applies layered controls to support a safer validation environment for business users. The platform is structured to operate with controlled access paths and professional handling expectations.

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