Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Tax calculation error: base imponible × tipo ≠ cuota. Spanish VAT (IVA) calculations must be exact. Review and correct the tax amounts in your source system. Common rates: 21% (general), 10% (reduced), 4% (super-reduced).
What is FACE-005?
FACE-005 is a fatal validation rule defined in the Facturae specification (ESP national rules).
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Why This Error Matters
FACE-005 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: FACE-005
- ·Specification: Facturae
How to Fix It
Technical Reference
Code Example
<TaxAmount><TaxableBase>100.00</TaxableBase><TaxRate>21.00</TaxRate><TaxAmount>21.00</TaxAmount></TaxAmount>Common Causes
- ·Rounding error
- ·Wrong rate applied
- ·Calculation precision issue
Seeing this in production? The API handles FACE-005 automatically. See the fix response →
Frequently Asked Questions
Tax calculation must be correct: base imponible × tipo = cuota. Spanish IVA rates are 21% (general), 10% (reduced), 4% (super-reduced), 0% (exempt).
Verify the IVA calculation for each line item. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.
Yes, FACE-005 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
FACE-005 involves a financial or legal field that cannot be auto-modified by policy. Invoice Navigator detects and flags this error immediately, but the correction must be made manually in your ERP or invoicing software.
Related Content
Last updated: 3 March 2026
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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.