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.
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 ). B2G e-invoicing compulsory from May 2022
Remember that digital invoices must be stored in their original electronic format for audit purposes, often for up to 10 years. To help you get the right technical setup, let me know: Which country or region are you billing? What accounting software are you currently using? Most governments require you to upload these files
I can then provide the specific format requirements and portal links for your location. Remember that digital invoices must be stored in
Invoices not sent through these official channels are often legally void, meaning the government agency won't (and technically can't) pay you. Why the Change?