Validation rules

BR-DE-11 — XRechnung rule

A deliver-to address (BG-15) is present but its post code (BT-78) is missing — XRechnung requires it.

Rule: BR-DE-11 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-78 — Deliver-to post code
Field in your JSON: invoice.delivery_address.postal_code

How to fix it

Set invoice.delivery_address.postal_code.

BR-DE-11 auf Deutsch — was bedeutet der Fehler?

Eine Lieferanschrift (BG-15) ist vorhanden, aber die Postleitzahl (BT-78) fehlt — die XRechnung verlangt sie.

So beheben Sie den Fehler

Setzen Sie invoice.delivery_address.postal_code.

Related rules

BR-DE-10 — A deliver-to address (BG-15) is present but its city (BT-77) is missing — XRechnung requires it.
BR-DE-9 — Buyer postal code (BT-53) is missing.
BR-DE-8 — Buyer city (BT-52) is missing.
BR-DE-14 — A VAT breakdown is missing its category rate (BT-119) — XRechnung requires cbc:Percent in every tax…
BR-DE-7 — Seller contact email (BT-43) is missing.
BR-DE-15 — Buyer reference (BT-10) is missing. XRechnung requires it; public-sector buyers in Germany use their…

Official sources

Every 422 from the API lists the rule id, the path in your request JSON, a plain-language message and a suggested fix — see the docs overview for the report format.

Or try it live: drop any XRechnung XML on the free validator — same KoSIT-backed report, no account.