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Rules / BR-CL-23 · Markdown

Peppol BIS Billing 3.0 · rule

BR-CL-23

Layer en16931·Checked against Peppol BIS Billing 3.0 2026.5

What does BR-CL-23 mean? Unit code MUST be coded according to the UN/ECE Recommendation 20 with

Why did my invoice fail BR-CL-23?

Unit of measure codes must be coded according to UN/ECE Recommendation 20 (with the Rec 21 extension prefixed per the standard). This makes quantities like pieces, hours or kilograms machine-interpretable. In UBL it is the unitCode attribute on cbc:InvoicedQuantity and cbc:BaseQuantity.

Official rule text

Unit code MUST be coded according to the UN/ECE Recommendation 20 with

Common causes

How do I fix it?

<cbc:InvoicedQuantity unitCode="H87">10</cbc:InvoicedQuantity>

Related rules

BR-CL-01 · BR-CL-03 · BR-CL-04 · BR-CL-05 · BR-CL-06 · BR-CL-07 · BR-CL-08 · BR-CL-10

Check your invoice against this rule

Paste it into the live demo, or call POST /v1/validate. See the quickstart.