IN-ALLOWANCE-AMOUNT-REQUIRED:Allowance/Charge amount required
Fix: Add Amount with currency attribute. Provide the required value in the free validator.
AllowanceCharge elements must have an Amount element specified.
Engine Classification
Business data required · Explicit input workflow · No assumptions made
Required input: Allowance/Charge Amount
What is IN-ALLOWANCE-AMOUNT-REQUIRED?
IN-ALLOWANCE-AMOUNT-REQUIRED is a fatal validation rule defined in the peppol-bis-3 specification. It validates the Amount element under AllowanceCharge in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: XPath: //cac:AllowanceCharge/cbc:Amount
Why This Error Matters
Amount determines value of adjustment.
IN-ALLOWANCE-AMOUNT-REQUIRED is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Validator Behavior
- ·Causes invoice rejection
- ·Rejected by PEPPOL Access Points
- ·Error returned: IN-ALLOWANCE-AMOUNT-REQUIRED
- ·Specification: peppol-bis-3
How to Fix It
Add Amount
Under AllowanceCharge
Include currency
currencyID attribute
XML Example
Generic example based on the rule's target XPath. Your actual XML structure may differ.
<!-- Missing or empty element triggers cbc:Amount error --> <cbc:Amount></cbc:Amount>
<!-- Provide the required value --> <cbc:Amount>VALID_VALUE</cbc:Amount>
Technical Reference
XPath: //cac:AllowanceCharge/cbc:AmountCommon Causes
- ·Missing Amount
- ·No currency
Seeing this in production? The API handles IN-ALLOWANCE-AMOUNT-REQUIRED automatically. See the fix response →
Frequently Asked Questions
AllowanceCharge must have Amount element.
Add Amount with currency attribute. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.
Yes, PEPPOL-EN16931-R041 is a critical error that must be fixed.
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Last updated: 3 March 2026
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