{
  "id": "UBL-DT-26",
  "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": "EncodingCode attribute should not be present",
  "statement_lang": "en",
  "context": "/ubl:Invoice | /cn:CreditNote",
  "test": "not(//@encodingCode)",
  "meaning": "An EncodingCode attribute should not be present. The statement has no period and says should not. It does not say shall. It is 44 characters. The statement spells EncodingCode as one word. The flag is warning. The context is the same string as BR-CO-18. The published test is not(//@encodingCode). The attribute name starts with a lowercase letter. It does not call count and it does not call exists.",
  "fix": "Leave the encodingCode attribute off the document.",
  "example_fail": "The document includes an encodingCode attribute.",
  "example_pass": "The document includes no encodingCode 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-26/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}