> ## Documentation Index
> Fetch the complete documentation index at: https://docs.invopop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Portugal's e-invoicing regulation timeline

> Key dates and milestones for Portugal's e-invoicing and e-reporting requirements

<Card title="Invoicing compliance in Portugal" size="20" icon="book-open-lines" href="/compliance/portugal" horizontal>
  ← Back to main article
</Card>

## Timeline

Current and upcoming regulation for Portugal.

<Update label="Now" tags={["B2B", "B2G", "B2C"]}>
  **E-invoicing and e-reporting systems enforced to date**<br />
  Existing systems enforced in Portugal regarding e-invocing, e-reporting and fiscalization.

  | System   | Description                                                   | Invopop Coverage |
  | -------- | ------------------------------------------------------------- | ---------------- |
  | QR/ATCUD | Invoices are required to have an ATCUD and QR Code            | Yes              |
  | SAF-T    | E-reporting required either in real-time or via SAF-T reports | Yes              |
  | CUIS-PT  | B2G XML invoice format                                        | No               |

  <Columns cols="2">
    <Card title="AT Portugal" icon="https://assets.invopop.com/apps/at-pt/icon.svg" href="/apps/at-portugal" horizontal>
      Get covered →
    </Card>
  </Columns>
</Update>

<Update label="1 Jan 2027" tags={["B2B", "B2C"]}>
  **Qualified Electronic Signature**<br />
  Companies in Portugal that issue PDF invoices will be required to include a Qualified Electronic Signature (QES) that confirms the authenticity and integrity of the document.
</Update>

<Update label="Future (tbd)" tags={["B2B", "EU"]}>
  **VAT in the Digital Age (ViDA)**<br />
  Portugal may extend real-time e-reporting or e-invoicing to all domestic and cross-border sales as part of the EU VAT in the Digital Age (ViDA) initiative.
</Update>