🇸🇮 E-invoicing mandate
E-invoicing in Slovenia: deadlines and requirements
Every national e-invoicing milestone for Slovenia, with the required format and the official source — checked on 28 Oct 2026.
Next deadline · 1 Jan 2028
Mandatory domestic B2B e-invoicing
—days
Timeline
1 Jan 2028Confirmed
Mandatory domestic B2B e-invoicing
—
days to go
Covered registered businesses and sole traders, with no turnover phase-in.
Format: e-SLOG or EN 16931 syntaxes (incl. Peppol)
Source: ePOS
Frequently asked questions
- When does e-invoicing become mandatory in Slovenia?
- Next: Mandatory domestic B2B e-invoicing on 2028-01-01.
- Which e-invoice format is required in Slovenia?
- e-SLOG or EN 16931 syntaxes (incl. Peppol).
- Do I need Peppol in Slovenia?
- Peppol is a common way to exchange EN 16931 e-invoices in Slovenia. Check whether your customer is registered on Peppol before sending.