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BT-150 Item Price Base Quantity Unit Code

The unit code for the item price base quantity.

BT-150 (Item price base quantity unit of measure code) states the unit for the price base quantity (BT-149), using a UN/ECE Recommendation 20 code inside BG-29. Conditional under EN 16931 and, when present, it must be the same as the invoiced quantity unit of measure (BT-130). Example: C62.

BT-150 · EN 16931 / XRechnung 3.x

BT Reference Card

Key EN 16931 and XRechnung facts for this business term.

BT code
BT-150
Name
Item Price Base Quantity Unit Code
Cardinality
Conditional (C)
Business group
BG-29 PRICE DETAILS
Data type
Code
Example value
C62

Quick answer

The unit code for the item price base quantity.

Line items

The goods or services on each invoice line, including quantities, prices, and VAT.

Quick actions

In plain language

The unit code for the item price base quantity.

The unit code for the item price base quantity.

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

What you usually enter here

UNECE Recommendation 20/21 unit code

Typical valid values include: EA, HUR, KGM

Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

What goes wrong often

Avoid values like: each, kg

Relevant rule codes: BR-CL-23, PEPPOL-EN16931-R130

Examples in context

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

Valid Examples

  • EA
  • HUR
  • KGM

Invalid Examples

  • each
  • kg

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-150

Data Type:

code

Cardinality:

0..1

Requirement:

Optional

Since Version:

Optional

XML Implementation

UBL 2.1 Syntax
/Invoice/cac:InvoiceLine/cac:Price/cbc:BaseQuantity/@unitCode

Validation Rules

BR-CL-23

BR-CL-23

PEPPOL-EN16931-R130

PEPPOL-EN16931-R130

Next step

Check whether your XRechnung sets BT-150 correctly

Upload the XML file to the free validator. It applies the KoSIT rules for XRechnung 3.0 and names each finding with its rule ID, for this field for example BR-CL-23, PEPPOL-EN16931-R130. Creating a new invoice instead? The converter checks the invoice against the same rules and shows the findings before download.

Free, no account needed. XML file up to 2 MB.

Why the standard cares about this field

Business Context

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

Legal Requirement

Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

Official sources and tools