Engine Classification
Financial or legal field · Modification blocked by policy
Reason: SII (Suministro Inmediato de Información) requires invoices to be reported within 4 days of issue. This deadline cannot be retroactively fixed. Submit late with expected penalties, or correct the issue in your invoicing workflow for future invoices.
What is FACE-004?
FACE-004 is a fatal validation rule defined in the SII 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-004 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-004
- ·Specification: SII
How to Fix It
Technical Reference
Common Causes
- ·Manual submission delayed
- ·System integration failure
- ·Weekend/holiday delays
Seeing this in production? The API handles FACE-004 automatically. See the fix response →
Frequently Asked Questions
SII (Suministro Inmediato de Información) subjects must report invoices within 4 days of issue. Late submissions are flagged.
Submit invoices to SII within the 4-day deadline. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.
Yes, FACE-004 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-004 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.