Microsoft Dynamics AX / 365 Finance and Operations, through the Portuguese Localization, electronically submits the transport documents to the Tax Authority (AT) in real time using a web service. This submission is done automatically once the document is posted.
This process uses several components, including a private key assigned by AT which renews every 2 years.
The next renew renovation will happen at 12th December 2021.
ARQUICONSULT will send you all additional information when AT deliver the new private key.