ErrorEN 16931Input required

BR-07

An Invoice shall contain the Buyer name (BT-44).

What does this rule mean?

The invoice is missing the buyer name (BT-44).

The buyer name is a legally required field.

BT-44
Buyer name
Official rule message (standard)

An Invoice shall contain the Buyer name (BT-44).

Where the rule applies

Syntax: CII · UBL

The same rule, expressed twice: UBL and CII name the same fields with different paths. Running a CII file against the UBL rules is why you get errors that mean nothing.

UBL

  • /ubl:Invoice | /cn:CreditNote

CII

  • /rsm:CrossIndustryInvoice

Technical test

The rule passes when this Schematron expression holds true:

normalize-space(rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:BuyerTradeParty/ram:Name) != ''

How to fix it

A missing or incorrect business entry only you can supply. Add or correct it, then re-check.

Add the buyer name.

Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.

Check an e-invoice here

Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.

100% local — no upload, no account.

Related rules

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