PEPPOL-SDI-01:Peppol to SDI conversion error
When Peppol invoices enter Italy via the SDI gateway, they must be converted to FatturaPA format. Conversion issues are common with complex invoices.
Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Peppol invoices entering Italy are converted to FatturaPA format at the SDI gateway. Complex invoices may not convert correctly. Options: 1) Simplify the invoice structure, 2) Send directly in FatturaPA format to Italian recipients, 3) Contact your Peppol Access Point for conversion support.
What is PEPPOL-SDI-01?
PEPPOL-SDI-01 is a fatal validation rule defined in the Peppol-SDI specification (ITA national rules). It checks whether peppol to sdi conversion error.
When this rule fires, the invoice is non-compliant and will be rejected by Peppol access points and national validation services. The sending system receives a rejection response and the invoice does not reach the buyer.
Why This Error Matters
PEPPOL-SDI-01 is a hard failure. Invoices that trigger this rule are rejected at the access point and never reach the recipient. In Peppol networks, this means your sending system receives an MLR (Message Level Response) with a rejection status. The invoice must be corrected and re-sent, adding delay to your payment cycle.
Validator Behavior
- ·Causes invoice rejection
- ·Rejected by PEPPOL Access Points
- ·Rejected by SDI (Sistema di Interscambio)
- ·Error returned: PEPPOL-SDI-01
- ·Specification: Peppol-SDI
How to Fix It
Technical Reference
Common Causes
- ·Missing Italian-specific fields in Peppol invoice
- ·Codice Destinatario not mapped correctly
- ·VAT treatment differences between formats
Seeing this in production? The API handles PEPPOL-SDI-01 automatically. See the fix response →
Frequently Asked Questions
When Peppol invoices enter Italy via the SDI gateway, they must be converted to FatturaPA format. Conversion issues are common with complex invoices.
Validate both Peppol BIS and FatturaPA compatibility before sending. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, PEPPOL-SDI-01 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.
Many instances of PEPPOL-SDI-01 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including peppol to sdi conversion error.
Last updated: 19 January 2026
Handle PEPPOL-SDI-01 Automatically in Your Pipeline
The compliance engine auto-remediates this error with controlled safety policies and evidence pack generation.