Validate_FI::vatNumber() – Validate Finnish Value Added Tax number (ALV-numero)


require_once 'Validate/FI.php';

bool Validate_FI::vatNumber ( string $number )


Validate Finnish Value Added Tax number (ALV-numero). Format: FIXXXXXXXX.

The Finnish VAT number (ALV-numero) is maximum of 14 digits and is generated from Business ID.


string $number

VAT number to be validated

Return value

boolean - true if VAT number is valid, false otherwise


Using vatNumber()

// Include the package
require_once 'Validate/FI.php';

$vatNumber 'FI15728600';
if ( 
Validate_FI::vatNumber($vatNumber) ) {
} else {
'Not valid!';
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Last updated: Sat, 16 Feb 2019 — Download Documentation
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