UBL-SR-11
EN 16931-1 layer: en16931
Checked against Peppol BIS Billing 3.0 2026.5
What does UBL-SR-11 mean? Seller legal registration identifier shall occur maximum once
Why did my invoice fail UBL-SR-11?
The Seller legal registration identifier (BT-30), the company/commercial-register identifier of the seller, may occur at most once. In UBL this is cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID, which must be single-valued.
Official rule text
Seller legal registration identifier shall occur maximum once
Common causes
- Multiple cac:PartyLegalEntity blocks each carry a CompanyID.
- The register number is emitted both with and without a schemeID variant.
- Legal ID and VAT number are both placed in cbc:CompanyID, producing repeats.
How do I fix it?
Keep one company registration ID: <cac:PartyLegalEntity><cbc:RegistrationName>ACME Trading Ltd</cbc:RegistrationName><cbc:CompanyID schemeID="0198">12345678</cbc:CompanyID></cac:PartyLegalEntity> and remove duplicates.
Related rules
UBL-SR-01 · UBL-SR-02 · UBL-SR-03 · UBL-SR-04 · UBL-SR-05 · UBL-SR-06 · UBL-SR-07 · UBL-SR-08
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