Reference
Markdown exportBT-158 Item Standard Identifier Scheme
The scheme identifier for the item standard identifier.
Quick answer
The scheme identifier for the item standard identifier.
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
The scheme identifier for the item standard identifier.
The scheme identifier for the item standard identifier.
Identifies the invoiced goods or services for buyer, seller, and automated procurement or inventory matching.
What you usually enter here
Identifier scheme code
Typical valid values include: 0160
Defined by EN 16931 for invoice line item identification; mandatory item names and optional identifiers must follow the listed scheme and country code rules.
What goes wrong often
Avoid values like: GTIN
Relevant rule codes: BR-CL-21
Examples in context
Identifies the invoiced goods or services for buyer, seller, and automated procurement or inventory matching.
Defined by EN 16931 for invoice line item identification; mandatory item names and optional identifiers must follow the listed scheme and country code rules.
Valid Examples
Use these points as the practical checks for this section.
- 0160
Invalid Examples
Use these points as the practical checks for this section.
- GTIN
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-158
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Since Version:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:ID/@schemeIDValidation Rules
BR-CL-21
BR-CL-21
Why the standard cares about this field
Business Context
Identifies the invoiced goods or services for buyer, seller, and automated procurement or inventory matching.
Legal Requirement
Defined by EN 16931 for invoice line item identification; mandatory item names and optional identifiers must follow the listed scheme and country code rules.