Error library

E-Invoice Error Library

Look up any EN 16931, Peppol or XRechnung error code. All 1749 rules come from the exact Schematron our checker runs — organised into four validation layers.

EN 16931 1534European core rules (business rules & code lists) of the EN 16931 standard.Peppol BIS 3.0 161Additional rules of the Peppol BIS Billing 3.0 profile.XRechnung (DE) 54German CIUS rules (BR-DE-*) for XRechnung — including the Leitweg-ID.