IN-QUANTITY-POSITIVEpeppol-bis-3warningformat

Line quantity should be positive

Fix: Use positive quantity; for credits use credit note.

Invoice line quantity (InvoicedQuantity) should typically be a positive value.

How to Fix It

Check quantities

Each line InvoicedQuantity

Use positive

Or use credit note for returns

This error requires manual correction: financial fields are protected by policy. Check your invoice to see exactly which row fails.

Check your invoice Run this check in CI

Severity

Warning

Rule set

peppol-bis-3

Country

All EU

Fix type

Blocked

Engine Classification

Financial or legal field · Modification blocked by policy

Reason: Line quantities should be positive values. Negative quantities indicate a data entry error or that this should be a credit note. Fix the quantities in your source system, or use invoice type 381 (Credit Note) for returns.

What is IN-QUANTITY-POSITIVE?

IN-QUANTITY-POSITIVE is a warning validation rule defined in the peppol-bis-3 specification. It validates the InvoicedQuantity element under Invoice > InvoiceLine 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/cbc:InvoicedQuantity

Why This Error Matters

Positive quantities expected on invoices.

IN-QUANTITY-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-QUANTITY-POSITIVE
·Specification: peppol-bis-3

XML Example

Generic example based on the rule's target XPath. Your actual XML structure may differ.

Before

<!-- Incorrect value -->
<cbc:InvoicedQuantity>INVALID</cbc:InvoicedQuantity>

After

<!-- Corrected value -->
<cbc:InvoicedQuantity>VALID_VALUE</cbc:InvoicedQuantity>

Technical Reference

XPathXPath: /Invoice/cac:InvoiceLine/cbc:InvoicedQuantity

Specpeppol-bis-3

Common Causes

·Negative quantity on invoice

Seeing this in production? The API handles IN-QUANTITY-POSITIVE automatically. See the fix response →

Frequently Asked Questions

InvoicedQuantity should typically be positive.

Use positive quantity; for credits use credit note. 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-R053 is a critical error that must be fixed.

Validate your invoice

Drop your XML here to check for IN-QUANTITY-POSITIVE

Upload XML

Detect IN-QUANTITY-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.

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