ASB Czech Republic, s.r.o.

V Celnici 1031/4, 110 00 Praha 1

Czech Republic

Tel: +420 224 931 366

IČ: 27215849

Registered in the Commercial Register maintained by the Municipal Court in Prague under file C 105100 .

Commercial Enquiries:

Dan Ledvinka Group Commercial Director +420 222 500 648 dledvinka@asbgroup.eu

Foreign language einvoices in Poland’s KSeF - how to prepare for 2026

Starting in 2026, most VAT taxpayers in Poland will be required to issue structured invoices exclusively through the National e-Invoicing System (KSeF). This change will impact nearly every business, from local companies to global exporters. With these new rules, one question arises: can an invoice in KSeF be issued in a foreign language? The answer is more complex than it seems.