Reference
Markdown exportBT-155 Invoice line item seller's identifier
Identifier assigned by the seller for the invoiced item (for example SKU or article number).
Quick answer
Identifier assigned by the seller for the invoiced item (for example SKU or article number).
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
Identifier assigned by the seller for the invoiced item (for example SKU or article number).
Identifier assigned by the seller for the invoiced item (for example SKU or article number).
Supports seller catalog and article reference mapping (BT-155).
What you usually enter here
Alphanumeric item identifier
Typical valid values include: SKU123456, PROD-ABC-001, 1.1.30
Optional according to EN 16931.
What goes wrong often
Avoid values like: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Relevant rule codes: BR-2
Examples in context
Supports seller catalog and article reference mapping (BT-155).
Optional according to EN 16931.
Valid Examples
Use these points as the practical checks for this section.
- SKU123456
- PROD-ABC-001
- 1.1.30
Invalid Examples
Use these points as the practical checks for this section.
- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
XML mapping and field facts
Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.
Field ID:
BT-155
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Max Length:
50 characters
Since Version:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Item/cac:SellersItemIdentification/cbc:ID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:SellerAssignedIDValidation Rules
BR-2
BR-2
Why the standard cares about this field
Business Context
Supports seller catalog and article reference mapping (BT-155).
Legal Requirement
Optional according to EN 16931.