...
button to open the Additional File Numbers window.
Reference number kinds.
You can add your own Reference number kinds by going navigating to Administrationnavigating to Administration→Registers
and click the
button.
To add a new Reference number kind, click the
button.
Enter the relevant data in the columns "System Code", "System Text Code", "Description", and make sure to choose "Filereference numbers" in the column "Term Class".