Close this search box.
Close this search box.

Adding ATCUD code to fiscal document mandatory from 2023

At the end of the last year (2021) Portuguese government announced that implementing ATCUD (Validation-Sequential number code) to invoice and other fiscal documents will be mandatory from January 2023 however for QR code we cannot say the same thing. QR code must be added to invoices from January 2022.

ATCUD contain of two parts;

  • Series validation code which come from government and,
  • The sequential number of the document within the series which is added by the taxpayer.

You can find more information here.


Your Global Tax Technology Partner
We offer SAP and Peppol certified solutions (SAF-T, Invoice Reporting, VAT Reporting and e-Invoicing) to more than 500 clients – thereof 70% multinational. Together with our >100 employees, operating across multiple locations in Europe, we aim to be a single partner globally for our clients.
About Us
Play Video
Watch to learn more about SNI Solutions
Thank you for visiting our blog!
If you would like to speak to a salesperson, please call +90 212 909 1664 or email to receive a call back.