Important dates
June 30, 2026
Expected publication of final technical specs for B2B e-invoicing. Subject to updates.
Jan. 1, 2027 (confirmed)
Mandatory B2B e-invoicing begins. All businesses in the PRS register must issue and receive structured e-invoices.
Legislation
- Mandatory B2G invoicing
E-invoicing is mandatory for all public sector transactions since 2015. Invoices must be sent via the UJP portal.
- Accepted formats:
Invoices must follow e-SLOG 2.0 or EN 16931-compliant formats, including Peppol BIS 3.0.
- Delivery channels
Small suppliers (under 60 B2G invoices/year) may use the UJP portal. Others must use certified providers like B2Brouter.
- Regulating authority
The Financial Administration of the Republic of Slovenia (FURS) oversees invoicing and compliance.
- Archiving requirements:
E-invoices must be archived electronically for at least 10 years and remain accessible and readable. B2Brouter meets this legal requirement.
- VAT e-reporting
As of July 2025, invoice data must be reported electronically through the e-Davki portal.
B2B mandate in 2027
Structured e-invoicing will be mandatory for all B2B transactions starting January 1, 2027.
Penalties
Fines range from €100 to €3,000 for issues like failing to archive properly or rejecting valid formats.
Voluntary B2C invoicing
B2C e-invoicing is optional and allowed only with the consumer’s prior consent.
Send e-invoices to Slovenia securely with B2Brouter
Certified and fully compliant
B2Brouter is a certified Peppol Access Point and complies with Slovenian e-invoicing rules and EU standards.
Seamless ERP integration
Connect your accounting or ERP system easily to B2Brouter to automate invoice creation and delivery without changing your tools.
Cross-border invoicing made simple
Use a single platform to manage e-invoicing across Slovenia and other compliant EU countries.

Certifications
B2Brouter is certified with the ISO 27001 standard on information security management, certified as a Peppol Access Point Service Provider and a member of the EESPA.



