What does Participant not found in Peppole?
Short answer
Participant not found means that the recipient for the specified participant was not found in the technical search, for example for incorrect tax identification number, wrong scheme, missing registration in SMP or not supported document type. This does not automatically mean that the firm does not exist or that the invoice is content incorrect. This means that the document cannot be correctly directed in the current state.
Slovak participant ID
First check the diagram and ten-digit tax identification number.
Registration of the beneficiary
The record must exist and support the document.
Failed direction
Without finding the recipient, the document shall not be served.
Log and communication
Keep your partner's bug, time, identifier and reaction.
Conclusion
Participant not found is a technical orientation error; is addressed by checking the identifier, registration, document skills and evidence trail.
Financial Administration of the Slovak Republic, FAQ 9/VAT/2025/IM k e-invoice, July 2026 update
Not legal advice. Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.