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BR-DE-3 — Seller city (BT-37) is missing

• Standard: XRechnung
• Severity: fatal
• Business Terms: BT-37

Meaning

The "Seller city" element (BT-37) must be present — cbc:CityName inside the seller postal address.

Possible causes

• cbc:CityName in cac:AccountingSupplierParty/cac:Party/cac:PostalAddress is absent or empty.

How to fix it

• Set BT-37 (cbc:CityName) to the seller address city, e.g. "Berlin".

Affected fields

• /ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cbc:CityName

Example (invalid invoice)

invalid/BR-DE-3/ubl-inv-missing-seller-city.xml