SEF 3.14.0 Update Overview: Serbia’s e-invoicing system, mandatory for B2G since 2022 and all B2B/B2C since 2023, introduces SEF 3.14.0 to enhance VAT reporting, fiscal transparency, and compliance with EU-aligned standards.
Key Functional Improvements: The update mandates delivery dates, enforces stricter transaction and payment date rules, strengthens VAT checks for categories S10 and S20, clarifies foreign currency totals, and watermarks test environment invoices.
Technical Enhancements: SEF 3.14.0 adds a new API for extended invoice retrieval, improves document referencing, allows previous tax input notifications, and refines error messages, with the DEMO environment available for business adaptation.
Source: SNI
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