Key Features for Slovak Invoicing Compliance
To ensure compliance with Slovak regulations, an invoicing app must support specific technical and legal requirements. From January 1, 2027, mandatory e-invoicing for domestic B2B transactions will require invoices to be issued in a structured XML format, specifically EN 16931 UBL 2.1 or CII D16B, aligning with the European e-invoicing standard. This means traditional PDF invoices will no longer be considered valid. The system will also involve real-time reporting of invoice data to the Financial Administration. Furthermore, the app should facilitate exchange via the Peppol network through certified Accredited Service Providers (ASPs), as Slovakia is adopting this decentralized model. Integration with local payment gateways, such as TrustPay or GoPay, is also a practical consideration for seamless transaction processing.