Serbia postpones SEF version 4.0.0 production rollout
Serbia's Tax Administration delayed the production release of SEF version 4.0.0 on 24 July 2026 to give users time to adapt to significant new features. No new date has been set.
Serbia’s Tax Administration announced a postponement of SEF (Electronic Invoicing System) version 4.0.0 production deployment on 24 July 2026. The delay allows users additional time to adjust their systems to the version’s significant changes and new functionalities. A new availability date will be published later.
Serbia’s Tax Administration announced on 24 July 2026 that the production release of SEF (Electronic Invoicing System) version 4.0.0 will be delayed from its original schedule.
The postponement gives users minimal additional time to adapt their internal systems to the version’s significant changes and new functionalities.
No replacement date has been set. The Tax Administration stated that information on the new availability date for SEF version 4.0.0 in production will be published in due course.