# PEPPOL-T111-R001

Source: https://xmlvalid.com/rules/PEPPOL-T111-R001

> If status code is one of: CA, UQ or RE then there SHALL be at a clarification code in Invoice Response.

- Level: error
- Rule sets: Peppol Invoice Response rules 3.1
- Context: `cac:Response[contains( ' CA UQ RE ',concat(' ',normalize-space(cbc:ResponseCode),' '))]`
- Test: `exists(cac:Status/cbc:StatusReasonCode)`

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