BR-DE-4Error — invoice will be rejectedxrechnung

XRechnung error BR-DE-4: seller post code missing

BR-DE-4 requires the seller postal address (BG-5) to contain the post code (BT-38). XRechnung makes the post code and city mandatory, unlike the EN 16931 core.

Last updated: 2026-06-24

Affected field

cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cbc:PostalZone (UBL) / ram:SellerTradeParty/ram:PostalTradeAddress/ram:PostcodeCode (CII)

Cause

The seller address has no post code field (PostalZone / PostcodeCode).

Fix

Add cbc:PostalZone with the post code (e.g. '10115') under the seller postal address.

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Mandate context

Germany e-invoicing mandate (all deadlines) →Germany January 2027 — large companies →Germany January 2028 — all businesses →

Frequently asked questions

What format must the post code have?▼

There is no rigid format. For German addresses it is the five-digit postal code; for foreign sellers, the local post code format applies.

Related error codes

BR-DE-3 BR-DE-9