Serbia is one popular country that is followed by European countries while implementing the new e-Invoice system. The new system was first planned for January 2022 but then delayed for 6 months. It officially started in May 2022 by supporting the obliged taxpayer with the published documents and workshops. The new e-Invoice system, which first started for B2G transactions in May 2022, continues with the inclusion of G2B transactions in July 2022.
Source SNI