Validation of ATCUD for Portugal

Validate the ATCUD prefix code for Portugal SAF-T reporting and printed transactions before upload.

Following recent communication with the Portugal Tax Authorities (TA), ERPs should validate the ATCUD prefix code used for SAF-T reporting and invoice printing. Use the following criteria to validate the ATCUD prefix: 

• ATCUD prefix must be at least 8 characters in length.
• It must contain only uppercase letters and digits, excluding vowels (A, E, I, O, U) and the numbers 0 and 1.
• The prefix cannot be shared by more than one sequence.
• Once linked to a sequence, the prefix cannot be modified.

Validation occurs during the upload process from the ADFDI spreadsheet to the application. Any ATCUD prefix that does not meet these criteria will be rejected, and an error message will be displayed. 

For those already billed transactions that have Imported status and are entered in the system with the original ATCUD from their external billing application, there is no validation as you must report exactly what was reported from the original billing software. 

The business benefit of the ATCUD validation is in compliance with the legal requirements for the SAF-T Accounting report and Invoice Printing for Portugal.

Steps to Enable

You don't need to do anything to enable this feature.

Tips And Considerations

You must make sure that each transaction class has at least one distinct transaction type assigned to it. This leads to a separate sequence and thus a separate ATCUD.

You can create more transaction types per transaction class based on business needs, but note that each will have its own sequence which needs to be declared to TA to receive its ATCUD prefix. 

Key Resources

• The details for the requirements and the ATCUD validation will also be available on the renewed topical essay for Invoice QR code and ATCUD for Portugal that can be found here:
  • QR code and ATCUD Topical Essay

Access Requirements

No new access requirements