Provide validation tools for Taxpayer Identification Number

1.3 2020-03-31 12:48 UTC

This package is auto-updated.

Last update: 2022-04-29 01:18:04 UTC


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You may want to use https://github.com/loophp/tin instead.

A library to validate TIN numbers for individuals. This is based on a java library, this is why the code does not reflect best practices in php.

Supported countries are:

  • Austria (AT)
  • Belgium (BE)
  • Bulgaria (BG)
  • Croatia (HR)
  • Cyprus (CY)
  • Czech Republic (CZ) - no check digit (but possible czechphp/national-identification-number-validator)
  • Denmark (DK)
  • Estonia (EE)
  • Finland (FI)
  • France (FR)
  • Germany (DE)
  • Greece (GR) - only size
  • Hungary (HU)
  • Ireland (IE)
  • Italy (IT)
  • Latvia (LV) - no check digit
  • Lithuania (LT)
  • Luxembourg (LU)
  • Malta (MT) - no check digit
  • Netherlands (NL)
  • Poland (PL)
  • Portugal (PT)
  • Romania (RO) - no check digit
  • Slovakia (SK) - only structure
  • Slovenia (SI)
  • Spain (ES)
  • Sweden (SE)
  • United Kingdom (UK) - only structure

If your country is not there, feel free to open an issue with your country code and a link to the specification. Ideally, if you can provide a PR with the algorithm and the test that would be even better :-)



$ composer require lekoala/tin


To simply check the validity of a number

$result = TINValid::checkTIN($countryCode, $number);

If you want to get the reason why a number is invalid, you can use

try {
    TINValid::validateTIN($countryCode, $number);
catch(TINValidationException $e) {

If you want to see if a country is supported or not, you can simply use

$result = TINValid::isCountrySupported('be');


TIN Algorithms - Public - Functional Specification

Taxpayer Identification Number


This package is licensed using the MIT License. Please have a look at LICENSE.md.