{
  "id": "UBL-SR-19",
  "country": "EU",
  "syntax": "ubl",
  "group": "syntax",
  "severity": "fatal",
  "severity_note": "fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.",
  "spec": "Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL",
  "statement": "Payee name shall occur maximum once, if the Payee is different from the Seller",
  "statement_lang": "en",
  "context": "cac:PayeeParty",
  "test": "(count(cac:PartyName/cbc:Name) <= 1) and ((cac:PartyName/cbc:Name) != (../cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:RegistrationName))",
  "meaning": "The payee name shall occur at most once if the payee is different from the seller. The statement has a comma and no period. It says shall, and it capitalizes Payee and Seller. The flag is fatal. The context is cac:PayeeParty. The published test counts cac:PartyName/cbc:Name with a space before <= and a space after it, and it also requires that name to differ from the seller legal-entity registration name. That difference writes != with a space on each side.",
  "fix": "When the payee is different from the seller, send at most one payee name.",
  "example_fail": "The payee has two party names.",
  "example_pass": "The payee has one party name, and that name differs from the seller legal-entity registration name.",
  "example_note": "Illustration of the condition in the official statement. Not an example published by the source.",
  "source_url": "https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/UBL-SR-19/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}