An identifier for an object on which the invoice line is based, such as an order line, despatch advice line, or tender line.
Links the invoice line to the corresponding line in the source document (order, tender, etc.).
Optional but recommended for traceability and audit purposes.
/Invoice/cac:InvoiceLine/cac:DocumentReference/cbc:ID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:AssociatedDocumentLineDocument/ram:LineIDPO-001-1ORDER-123-5TENDER-ABC-2reference✗ InvalidOur AI-powered Invoice Converter automatically handles all XRechnung requirements, including proper field validation.