How do I fix SII-001?

Set the correct clave de régimen especial for each invoice type. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Is SII-001 a critical error?

Yes, SII-001 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.

Can SII-001 be automatically fixed?

SII-001 requires specific business data to resolve. Invoice Navigator detects the error and guides you through providing the needed information, then applies the fix with full audit documentation.

Error codes · SII · Spain

SII-001Fixable here

Clave de régimen especial missing

This is the rejection, word for word: „[SII-001] SII requires a regime key (clave de régimen especial) for each invoice indicating the type of operation: 01=General, 02=Export, 03=Gold operations, etc.“

What to have readyClave de Régimen Especial

What we doSet the correct clave de régimen especial for each invoice type.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingValue missing · SII-001

From youClave de Régimen Especial

ThenPassed

ProofSHA-256 and /verify link after the check