Serbian e-invoicing system updated to a new version

In the past, the SEF has gone through several upgrades. The latest upgrade is to SEF version 3.14.0. The new version plans to introduce several enhancements to the functionality, validation, and user experience of the SEF.
The main updates include:
- Mandatory delivery dates: all e-invoices must now include a delivery date
- Issue date vs transaction dates: the transaction date cannot be later…