System verification
How can an e-invoicing system be checked against Slovak requirements?
Short answer
The ability to create a PDF or export some form of XML is not enough. Verify that the system produces e-invoice compliant with EN 16931 and Peppol BIS, applies Slovak rules, uses the correct EndpointID, sends and receives through a delivery service, returns status messages, handles errors, and supports attachments, corrective documents and retention of the original XML.
Format
EN 16931/Peppol
The system must produce valid XML, not just PDF.
Slovakia
National rules
EndpointID, VAT number, C5/reporting and local requirements.
Delivery
Postman and estates
Sending, receiving, lookup, errors and monitoring.
Archive
Evidence
Original XML, attachments, metadata and patches.
Conclusion
Prove readiness with an end-to-end test covering the accounting source, XML generation, validation, delivery, error handling, receipt and archiving.
Not legal advice.