{
  "id": "BR-IC-02",
  "country": "EU",
  "syntax": "ubl",
  "group": "intra-community",
  "severity": "fatal",
  "severity_note": "fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-17.",
  "spec": "Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL",
  "statement": "An Invoice that contains an Invoice line (BG-25) where the Invoiced item VAT category code (BT-151) is \"Intra-community supply\" shall contain the Seller VAT Identifier (BT-31) or the Seller tax representative VAT identifier (BT-63) and the Buyer VAT identifier (BT-48).",
  "statement_lang": "en",
  "context": "/ubl:Invoice | /cn:CreditNote",
  "test": "(exists(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'K'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']) and (exists(//cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/(normalize-space(upper-case(cbc:ID)) = 'VAT')]/cbc:CompanyID) or exists(//cac:TaxRepresentativeParty/cac:PartyTaxScheme[cac:TaxScheme/(normalize-space(upper-case(cbc:ID)) = 'VAT')]/cbc:CompanyID)) and (exists(//cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/(normalize-space(upper-case(cbc:ID)) = 'VAT')]/cbc:CompanyID))) or not(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'K'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT'])",
  "meaning": "If an invoice line uses VAT category \"Intra-community supply\", the invoice must include the seller VAT identifier (BT-31) or the seller tax representative VAT identifier (BT-63), and the buyer VAT identifier (BT-48). The official message names BG-25. It names BT-31, BT-63, and BT-48. It does not name BT-32 or the buyer legal registration identifier (BT-47). The published test looks for a line category code K whose tax scheme is VAT. The seller identifier it accepts is a company identifier on a VAT tax scheme, or the tax representative's company identifier on a VAT tax scheme. It also requires the buyer company identifier on a VAT tax scheme. The negative branch is not(//cac:ClassifiedTaxCategory...) with no exists() call, and it still requires that scheme. Both category comparisons write cbc:ID) = 'K' with spaces around the equals sign.",
  "fix": "On a line coded K, send BT-31 or BT-63, and send BT-48.",
  "example_fail": "A line uses category code K, and BT-31 and BT-63 are both missing, or BT-48 is missing.",
  "example_pass": "A line uses K, BT-31 or BT-63 is present, and BT-48 is present.",
  "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-IC-02/",
  "source_retrieved": "2026-10-17",
  "last_verified": "2026-10-17"
}