BR-64 - Item standard identifier needs a scheme
The item standard identifier (BT-157) must have a scheme identifier.
BR-64 - Item standard identifier needs a scheme
The item standard identifier (BT-157) must have a scheme identifier.
What this rule checks
The item standard identifier (BT-157) must have a scheme identifier.
How to fix it
Add the schemeID on the StandardItemIdentification (BT-157), e.g. 0160 for a GTIN.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
Source: CEN EN 16931 Schematron · Last verified: 2026-07-10
All validation rules