# PEPPOL-T01-R020

Source: https://xmlvalid.com/rules/PEPPOL-T01-R020

> Allowance/charge base amount SHALL be provided when allowance/charge percentage is provided.

- Level: error
- Rule sets: Peppol Order rules 3.7
- Context: `cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)] | /ubl:Order/cac:OrderLine/cac:LineItem/cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)]`
- Test: `false()`

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