E-invoicing mandate

E-invoicing in Portugal

What businesses invoicing in Portugal need to know about structured e-invoicing, and how FreeBillGen keeps you compliant.

At a glance

Scope: Business-to-government
Status: In force
Network or channel: eSPap / CIUS-PT
Format: CIUS-PT (UBL) + ATCUD/QR on all invoices

What this means for you

B2G e-invoicing is mandatory, and every invoice must carry an ATCUD code and a QR code. A certified billing program is required.

How FreeBillGen helps

FreeBillGen already generates the structured e-invoice formats most mandates require - Factur-X (EN 16931), Peppol BIS 3.0 UBL, and country formats - from the invoice you create. Export is always free, and direct transmission to networks like Peppol is on the way.

Create a compliant invoice

Official source: https://www.portugal.gov.pt/

This is general information, not legal or tax advice. Confirm the current rules with the official source before relying on a specific date.