{
  "id": "BR-DEC-01",
  "country": "EU",
  "syntax": "ubl",
  "group": "decimal",
  "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": "The allowed maximum number of decimals for the Document level allowance amount (BT-92) is 2.",
  "statement_lang": "en",
  "context": "/ubl:Invoice/cac:AllowanceCharge[cbc:ChargeIndicator = false()] | /cn:CreditNote/cac:AllowanceCharge[cbc:ChargeIndicator = false()]",
  "test": "string-length(substring-after(cbc:Amount,'.'))<=2",
  "meaning": "The Document level allowance amount (BT-92) may have at most 2 decimals. The statement says \"allowed maximum number of decimals\" and \"is 2\", and it ends with a period. It does not say shall. The context is a document-level allowance on an invoice or a credit note. It writes ChargeIndicator = false() with spaces around = and spaces around the bar. The published test takes the substring after '.' and requires that length to be <=2, with no space before <= and no space after the comma. It does not call exists.",
  "fix": "Send the Document level allowance amount (BT-92) with at most 2 digits after the decimal point.",
  "example_fail": "The document-level allowance amount has 3 digits after the decimal point.",
  "example_pass": "The document-level allowance amount has 2 digits after the decimal point.",
  "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/BR-DEC-01/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}
