{
  "id": "UBL-DT-23",
  "country": "EU",
  "syntax": "ubl",
  "group": "datatype",
  "severity": "warning",
  "severity_note": "warning, 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": "Uri attribute should not be present",
  "statement_lang": "en",
  "context": "/ubl:Invoice | /cn:CreditNote",
  "test": "not(//@uri)",
  "meaning": "A Uri attribute should not be present. The statement has no period and says should not. It does not say shall. It is 35 characters. The statement spells Uri with a capital U. The flag is warning. The context is the same string as BR-CO-18. The published test is not(//@uri). The attribute name is lowercase. It does not call count and it does not call exists.",
  "fix": "Leave the uri attribute off the document.",
  "example_fail": "The document includes a uri attribute.",
  "example_pass": "The document includes no uri attribute.",
  "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-DT-23/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}