{
  "id": "BR-DEC-23",
  "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 Invoice line net amount (BT-131) is 2.",
  "statement_lang": "en",
  "context": "cac:InvoiceLine | cac:CreditNoteLine",
  "test": "string-length(substring-after(cbc:LineExtensionAmount,'.'))<=2",
  "meaning": "The Invoice line net amount (BT-131) 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 the invoice line or the credit note line, with spaces around the bar. It is the same context as BR-24. This is a decimal limit, not the BR-24 presence check and not the BR-DEC-09 document sum. The published test is the same string as BR-DEC-09. It reads cbc:LineExtensionAmount and writes <=2 with no space before <=. It does not call exists.",
  "fix": "Send the Invoice line net amount (BT-131) with at most 2 digits after the decimal point.",
  "example_fail": "An invoice line net amount has 3 digits after the decimal point.",
  "example_pass": "That 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-23/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}