Invoices shall be issued in any European Union language

VAT act of 2004, regulation of Minister of Finance of 28 November 2008 concerning the matter of tax refund to some taxpayers, issuing of invoices, the way of its storage and goods and services lists to which VAT relief is not applicable(§ 5), as well as Tax Law regulations do not regulate the matter of obligatory language used in order to issue an invoice.

In accordance with article 231 Directive 112 (on VAT) invoices shall be issued in any EU language. It should be said that VAT invoices (also credit notes) documenting sales of goods and services in EU territory and country’s territory shall be issued in any EU language.