B2g E-invoicing Compulsory From May 2022 -

Most governments require you to upload these files to a specific government platform (e.g., Serbia’s SEF portal) or send them via a certified access point.

Starting in , several regions—most notably Serbia and certain states in Germany —implemented mandatory Business-to-Government (B2G) e-invoicing . This shift requires businesses to move away from PDFs and paper, instead submitting invoices in structured digital formats that government systems can read automatically. What You Need to Know B2G e-invoicing compulsory from May 2022

Traditional email attachments (like PDFs or Word docs) generally no longer count. You must use specific formats like XML (often following the PEPPOL standard or local standards like ZUGFeRD ). Most governments require you to upload these files