For changing payment terms is allowed perform this change in particular contract statuses as follows:
from Calculation to Signed – change of payment term can be done directly on Financing Card modifying the field Payment Terms Code. Calculation Updated boolean is changed to NO.
To take effect in Payment Calendar, the user must click on Complete Calculation button. User is also notified by warning message (in case recalculation was not done yet)
in Payment Calendar: "Financing calculation is not updated." From here can be started recalculation directly.
in Calculator Lines: "Financing calculation is not updated." From here can be started recalculation directly or Finish button makes the same job.
on Financing Card in case we open not recalculated.
Active - change of payment term can be done directly on Financing Card modifying the field Payment Terms Code. Calculation Updated boolean is switched to NO. To see changes in Payment Calendar, user needs to click on Finish button placed under Calculator Lines. If entering to Payment Calendar or Calculator Lines and Finish button was not clicked yet, warning message appears: "Financing calculation is not updated." From here can be started recalculation (Finish) directly. The same notice appears also after opening Financing card.
Suspend, Closing, Settling, Archived – the Payment Terms Code field is not editable.
Follow up:
How to change financing period