Reference
Markdown exportBT-157 Item Standard Identifier
A standard identifier for the item, such as a GTIN.
Quick answer
A standard identifier for the item, such as a GTIN.
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
A standard identifier for the item, such as a GTIN.
A standard identifier for the item, such as a GTIN.
Identifies the invoiced goods or services for buyer, seller, and automated procurement or inventory matching.
What you usually enter here
Standard item identifier
Typical valid values include: 4006381333931
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:
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.
- 4006381333931
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-157
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Since Version:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Item/cac:StandardItemIdentification/cbc:IDWhy 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.