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BR-CL-23 - Unit of measure code: UN/ECE Rec 20

The unit of measure code (BT-130) must use UN/ECE Recommendation 20 (with the Rec 21 extension).

BR-CL-23 - Unit of measure code: UN/ECE Rec 20

The unit of measure code (BT-130) must use UN/ECE Recommendation 20 (with the Rec 21 extension).

Code listsEN 16931BT-130 Error

What this rule checks

The unit of measure code (BT-130) must use UN/ECE Recommendation 20 (with the Rec 21 extension).

How to fix it

Use a valid UN/ECE Rec 20 unit code (e.g. C62 for a piece, KGM for kilogram).

Validate against this rule

This rule is part of EN 16931. Check your invoice with the validator that matches your format:

UBL / PeppolXRechnungFactur-X / ZUGFeRD

Related rules

BR-CL-01Invoice type code: UNTDID 1001BR-CL-03Amount currency (@currencyID): ISO 4217BR-CL-04Invoice currency code: ISO 4217BR-CL-05VAT accounting currency code: ISO 4217BR-CL-06VAT point date code: UNTDID 2005BR-CL-07Object identifier scheme: UNTDID 1153

Source: CEN EN 16931 Schematron · Last verified: 2026-07-10

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