# BR-GA-0

Source: https://xmlvalid.com/rules/BR-GA-0

> When using the G-account extension, the CustomizationID must specify this.

- Level: error
- Rule sets: SI-UBL 2.0 G-account rules (NLCIUS, UBL) 1.0.2.13
- Context: `//cbc:CustomizationID`
- Test: `contains(., '#conformant#urn:fdc:nen.nl:gaccount:v1.0')`

Validate a document against these rules: https://xmlvalid.com/validate