ATCUD unique identifier becomes optional to include in tax-relevant documents

The Portuguese Tax Authority has released documentation on regards to the communication to obtain the ATCUD number. ATCUD is a unique number that will identify each different tax document (invoice, credit notes, dispatch advice, simplified invoice, etc.). 

As Pagero has published previously, the implementation of the ATCUD number was suspended, as mandatory, for the year 2022. Nevertheless, it i…