Reference
Markdown exportBT-141 Invoice line item buyer's identifier
An identifier assigned by the buyer to identify the item.
Quick answer
An identifier assigned by the buyer to identify the item.
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
In plain language
An identifier assigned by the buyer to identify the item.
An identifier assigned by the buyer to identify the item.
Used for buyer's internal catalog and procurement systems.
What you usually enter here
Alphanumeric product identifier
Typical valid values include: BUYER-123, CLIENT-PROD-456, INTERNAL-789
Optional according to EN 16931-1.
What goes wrong often
Avoid values like: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Relevant rule codes: BR-2
Examples in context
Used for buyer's internal catalog and procurement systems.
Optional according to EN 16931-1.
Valid Examples
Use these points as the practical checks for this section.
- BUYER-123
- CLIENT-PROD-456
- INTERNAL-789
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-141
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Max Length:
50 characters
Since Version:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Item/cac:BuyersItemIdentification/cbc:ID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:BuyerAssignedIDValidation Rules
BR-2
BR-2
Why the standard cares about this field
Business Context
Used for buyer's internal catalog and procurement systems.
Legal Requirement
Optional according to EN 16931-1.