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E-Invoice Validator

DE-R-017

warningUBL

Official rules text

The element "Invoice type code" (BT-3) should only contain the following values from code list UNTDID 1001: 326 (Partial invoice), 380 (Commercial invoice), 384 (Corrected invoice), 389 (Self-billed invoice), 381 (Credit note), 875 (Partial construction invoice), 876 (Partial final construction invoice), 877 (Final construction invoice).

Rules and regulations

Does this error appear in your invoice?

Place the invoice here and see all violations with their location - free of charge, without registration.

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  • Official EN 16931 regulations
  • Always current official regulations

Official rule sets up to date: EN 16931 1.3.17 · Peppol BIS 3.0.20 · XRechnung 3.0.2 (KoSIT 2.6.0). Last checked against the sources on 12.10.2026.