PEPPOL-EN16931-R041
Allowance/charge base amount MUST be provided when allowance/charge percentage is provided.
What does this rule mean?
A percentage on an allowance/charge has no base amount.
A percentage without a base amount cannot be recomputed.
Official rule message (standard)
Allowance/charge base amount MUST be provided when allowance/charge percentage is provided.
Where the rule applies
Syntax: CII · UBL
The same rule, expressed twice: UBL and CII name the same fields with different paths. Running a CII file against the UBL rules is why you get errors that mean nothing.
UBL
ubl-invoice:Invoice/cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)] | ubl-invoice:Invoice/cac:InvoiceLine/cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)] | ubl-creditnote:CreditNote/cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)] | ubl-creditnote:CreditNote/cac:CreditNoteLine/cac:AllowanceCharge[cbc:MultiplierFactorNumeric and not(cbc:BaseAmount)]
CII
ram:SpecifiedTradeAllowanceCharge[ram:CalculationPercent and not(ram:BasisAmount)]
Technical test
The rule passes when this Schematron expression holds true:
false()How to fix it
A missing or incorrect business entry only you can supply. Add or correct it, then re-check.
Add the base amount — or drop the percentage and give the amount only.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.