FUP settings are configurable under
Config → Networking → FUP:
The following FUP settings can be configured:
Customer additional field - you can select the customer additional field here. If an additional field is set and is an integer from 1 to 28 (or -1), it will be used for resetting instead of other values. Use -1 value to disable reset limits.
Monthly reset prepaid (Daily) limits - set the day to reset prepaid limits;
Monthly reset recurring limits - set the day to reset recurring limits;
Weekly limit reset - choose Sunday or Monday to reset limits weekly;
Send FUP notifications - enables/disables sending of FUP notifications after applying FUP rules.