IN-PRICE-POSITIVEpeppol-bis-3warningformat
Item price should be positive
Fix: Use positive price; for credits use negative quantity.
Item price (PriceAmount) should typically be a positive value.
How to Fix It
Check prices
Each line PriceAmount
Use positive
Negative quantity for credits
This error requires manual correction: financial fields are protected by policy. Check your invoice to see exactly which row fails.
Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Item prices should be positive values. Negative prices indicate a data entry error or incorrect handling of discounts/credits. Fix the pricing in your source system - use allowances for discounts, not negative prices.
What is IN-PRICE-POSITIVE?
IN-PRICE-POSITIVE is a warning validation rule defined in the peppol-bis-3 specification. It validates the PriceAmount element under InvoiceLine > Price in the UBL invoice XML.
The invoice may pass transmission, but this non-compliance can cause problems during tax audits or buyer-side processing.
Target path: XPath: /Invoice/cac:InvoiceLine/cac:Price/cbc:PriceAmount
Why This Error Matters
Prices should be positive values.
IN-PRICE-POSITIVE is a soft failure that can cause issues at the receiving end — tax audits, ERP processing, or VAT reconciliation mismatches.
Validator Behavior
- ·Generates validation warning
- ·Rejected by PEPPOL Access Points
- ·Error returned: IN-PRICE-POSITIVE
- ·Specification: peppol-bis-3
XML Example
Generic example based on the rule's target XPath. Your actual XML structure may differ.
<!-- Incorrect value --> <cbc:PriceAmount>INVALID</cbc:PriceAmount>
<!-- Corrected value --> <cbc:PriceAmount>VALID_VALUE</cbc:PriceAmount>
Technical Reference
XPath: /Invoice/cac:InvoiceLine/cac:Price/cbc:PriceAmountCommon Causes
- ·Negative price
Seeing this in production? The API handles IN-PRICE-POSITIVE automatically. See the fix response →
Frequently Asked Questions
PriceAmount should be positive.
Use positive price; for credits use negative quantity. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.
Yes, PEPPOL-EN16931-R054 is a critical error that must be fixed.
Related Errors
Related Content
Last updated: 3 March 2026
Validate your invoice
Drop your XML here to check for IN-PRICE-POSITIVE
Detect IN-PRICE-POSITIVE before submission
This error involves a financial field that can't be auto-modified. We'll flag it with a clear diagnosis so you can fix it at the source.