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e-invoicing
in Slovenia

Publication date: 09.12.2024

General information

Mandatory B2B e-invoicing in Slovenia will apply from 1 January 2028. The National Assembly enacted the e-Invoicing Law (ZIERDED), postponing the initial 2027 plan and confirming a decentralised exchange model: four secure methods are allowed (service/e-route providers, direct exchange, the Peppol network, and free light applications for small businesses). The law removes real-time reporting to FURS. Slovenia aligns with EN 16931 and the EU push for interoperable, machine-readable data.

For B2G, e-invoicing has been in place for years; the public sector uses the national e-SLOG and EN 16931-compliant formats with broad acceptance of Peppol and certified service providers. Separately, from 1 July 2025, all VAT-registered businesses must submit electronic VAT ledgers via the eDavki portal.

The e-invoicing process in Slovenia:

  • Invoice creation: Suppliers issue a structured e-invoice in their ERP (e.g., UBL/Peppol BIS or e-SLOG) compliant with EN 16931, including mandatory identifiers and tax data.
  • Transmission (exchange): For B2G, invoices are sent via an established channel (including Peppol). For B2B from 2028, four decentralised methods are permitted: service/e-route providers, direct exchange, the Peppol network, and free light apps for micro-businesses — with no real-time reporting to FURS.
  • Validation: Syntactic and semantic checks (EN 16931 + local business rules) apply; depending on the channel, recipients return acceptance/rejection with error details.
  • Processing & delivery: After successful validation, the invoice is delivered to the buyer through the designated network (e.g., Peppol) or the public-sector system; transport and application responses are tracked end-to-end.

  • Archiving: Both parties store the e-invoice and evidence (validation/delivery receipts) in a legally compliant e-archive, preserving integrity, authenticity and statutory retention.

     

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