E-invoicing in Slovenia
Slovenia began accepting structured e‑invoices in public procurement in 2015, and is planning a mandatory B2B mandate by June 2026. The system leans on Peppol infrastructure and national CIUS alignment.
- Overall mandate status
- Mandatory
- Tax authority
- Financial Administration of the Republic of Slovenia.
- Last updated
- 11 Feb 2026Taken from government sites
Requirements at a glance
Country overview
Slovenia began accepting structured e‑invoices in public procurement in 2015, and is planning a mandatory B2B mandate by June 2026. The system leans on Peppol infrastructure and national CIUS alignment.
Legal basis
- Legislation
- Proposed law under review; B2G via public procurement directive since 2015.
- Authority
- Financial Administration of the Republic of Slovenia.
Requirements by transaction type
Key dates and implementation phases
Only dates from the country data are shown. Each milestone is labelled Confirmed, Proposed, or Pending confirmation.
Technical requirements
Latest updates for Slovenia
All updates
1 of 1 update
- B2BB2C
Slovenia Moves Toward Mandatory E-Invoicing for All Businesses by 2028
From 2028, all Slovenian businesses must issue and receive structured XML e-invoices for B2B transactions under the new e-invoicing law.
Related countries
Same region: EuropeDiscuss your Slovenia e-invoicing needs
Our team can review the markets you operate in, the invoicing systems you use, and what integration your setup would require — and confirm what applies to Slovenia.