An identifier assigned by the seller to identify the item.
Used for product catalog management and automated processing.
Optional according to EN 16931-1.
/Invoice/cac:InvoiceLine/cac:Item/cac:SellersItemIdentification/cbc:ID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:SellerAssignedIDSKU123456PROD-ABC-001ITEM-2024-001AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA✗ InvalidOur AI-powered Invoice Converter automatically handles all XRechnung requirements, including proper field validation.