Reference
Markdown exportBT-159 Item Classification Identifier
A classification code for the item.
BT-159 (Item classification identifier) tags the line item with a standard classification code such as CPV or UNSPSC, together with the scheme it belongs to (BT-160), carried in cac:CommodityClassification within BG-31. Optional under EN 16931, but a scheme identifier is required whenever the code is present. Example: 30190000.
BT-159 · EN 16931 / XRechnung 3.x
BT Reference Card
Canonical EN 16931 / XRechnung facts for this business term — citable from this anchor.
- BT code
BT-159- Name
- Item Classification Identifier
- Cardinality
- Optional (O)
- Business group
- BG-31 ITEM INFORMATION
- Data type
- Identifier
- Example value
30190000- Common error
- BR-65: The Item classification identifier (BT-159) shall have a Scheme identifier. Supplying a CPV or UNSPSC code without its scheme attribute (the list identifier, BT-160) fails validation.
Quick answer
A classification code for the item.
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
A classification code for the item.
A classification code for the item.
Identifies the invoiced goods or services for buyer, seller, and automated procurement or inventory matching.
What you usually enter here
Commodity classification code
Typical valid values include: 8471300000
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.
- 8471300000
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-159
Data Type:
identifier
Cardinality:
0..n
Requirement:
Optional
Since Version:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:Item/cac:CommodityClassification/cbc:ItemClassificationCodeWhy 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.