Identifier assigned by the seller for the invoiced item (for example SKU or article number).
Supports seller catalog and article reference mapping (BT-155).
Optional according to EN 16931.
/Invoice/cac:InvoiceLine/cac:Item/cac:SellersItemIdentification/cbc:ID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:SellerAssignedIDSKU123456PROD-ABC-0011.1.30AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA✗ InvalidOur AI-powered Invoice Converter automatically handles all XRechnung requirements, including proper field validation.