How to register an existing sequence?
To register a sequence that already exists and already has documents issued before January 2023, follow these steps. 📋
1Go to Settings
Go to Settings.
2Sequences / ATCUD
Go to Sequences / ATCUD.

3Register the sequence
Click Register Sequence, in the window of the sequence you want to register. This starts including the ATCUD in all documents issued from that date onwards.

💡 Tip: to configure the connection with the AT before registering the sequence, see the step-by-step guide to create and register sequences and obtain the ATCUD.