Number of the card used for payment. For PCI DSS reasons transmit it masked only — typically the last 4 to 6 digits.
Never put the full PAN into an invoice — EN 16931 explicitly expects a truncated number.
cac:PaymentMeans/cac:CardAccount/cbc:PrimaryAccountNumberIDrsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementPaymentMeans/ram:ApplicableTradeSettlementFinancialCard/ram:ID Part of BG-18 Payment card information
The Billhorse validator checks XRechnung, ZUGFeRD and Factur-X right in your browser — your file is never uploaded.
Open the validator ← All EN 16931 terms
Semantics: EN 16931-1. Simplified explanation in our own words — the norm is authoritative.