Question 1

What is KSeF and when does it become mandatory?

Accepted Answer

KSeF (Krajowy System e-Faktur) is the Polish national e-invoicing system. It becomes mandatory for all VAT-registered businesses in Poland from 2026. The format used is FA3, a specific XML schema.

Question 2

What is the difference between Factur-X and ZUGFeRD?

Accepted Answer

Factur-X and ZUGFeRD 2.x are technically identical - a hybrid format combining a readable PDF/A-3 with structured XML data (UN/CEFACT CII). Factur-X is the name used in France, ZUGFeRD in Germany.

Question 3

How can MAVIT Consulting help with e-invoicing compliance?

Accepted Answer

MAVIT Consulting helps businesses map their ERP/SAP IDOC data to standard formats (KSeF, Factur-X, FatturaPA, XRechnung), validate with XSD/Schematron, and integrate with government platforms.

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