# PEPPOL-EN16931-CL002

Source: https://xmlvalid.com/rules/PEPPOL-EN16931-CL002

> Reason code MUST be according to subset of UNCL 5189 D.16B.

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `cac:AllowanceCharge[cbc:ChargeIndicator = 'false']/cbc:AllowanceChargeReasonCode`
- Test: `some $code in $UNCL5189 satisfies normalize-space(text()) = $code`

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