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For now, largely yes. Foreign businesses without a permanent establishment in Slovakia remain outside the domestic obligation until 30 June 2030. From 1 July 2030, cross-border intra-Community transactions come into scope under the EU ViDA framework, so foreign trading partners should plan for that horizon.

IS EFA, the platform operating for public sector invoicing since 2023, is being replaced by the new Peppol-based national infrastructure expected in 2027. Businesses currently using IS EFA for B2G should plan their transition to the Peppol network. SMARTeIS supports both the current environment and the incoming model, ensuring continuity.

No. Business-to-consumer transactions are excluded from the initial obligation taking effect in 2027. The mandate covers domestic B2B and B2G transactions between VAT-registered parties. However, businesses handling both should ensure their systems can distinguish transaction types cleanly, which SMARTeIS manages automatically.

E-invoicing is the exchange of a structured invoice between trading partners through the Peppol network. E-reporting is the near real-time submission of that invoice data to the Financial Administration. Slovakia’s 2027 mandate introduces both as parallel obligations, and SMARTeIS handles them within a single workflow.

Your business must be able to send and receive invoices through certified Peppol Access Points, but you do not need to build or operate that infrastructure yourself. A certified service provider connects you to the network. SMARTeIS acts as your accredited access point, so compliance does not require in-house Peppol expertise.

Slovakia’s design is a deliberate alignment with the European Commission’s VAT in the Digital Age framework. By setting 1 July 2030 as the start date for cross-border B2B e-invoicing, Slovakia locks its national calendar onto the ViDA timetable. Choosing ViDA-ready software now protects your business against repeated system changes.

Invoices must conform to the European EN 16931 semantic standard, expressed in XML using UBL 2.1 or CII syntax, and exchanged in Peppol BIS format through certified access points. SMARTeIS generates compliant output automatically, so your team does not need to manage XML schemas or validation rules directly.

That is a central objective of the reform. Near real-time reporting closes the gap between a transaction taking place and the tax authority seeing it, which limits the opportunity for underreporting. For compliant businesses, the practical benefit is cleaner data, faster reconciliation, and reduced audit friction.

The critical early steps are auditing current invoicing systems, cleaning master data, mapping the path to Peppol connectivity, and selecting a certified provider before capacity tightens in late 2026. SMARTeIS supports each stage through a structured compliance assessment, allowing finance leaders to enter the mandate with a validated, low-risk setup.