VAT number
The VAT registration number, in the form CZ followed by nine digits.
The Tax and Customs Board issues a VAT number to a business registered as liable for VAT. Registration is compulsory once taxable turnover passes the statutory threshold in a calendar year, and voluntary before that.
The number is nine digits, written with an EL prefix for intra-EU trade. It is not the Αριθμός ΓΕΜΗ in another guise — the two are different numbers and neither can be derived from the other.
A VAT number can be checked in the European Commission's VIES system, which answers for the whole EU. Checking the number on a new partner's invoice is a routine step: an invalid one can cause problems when deducting input VAT.
Where this figure comes from
Verified against the European Commission's VIES system.
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