1. Select Configuration, Application Restrictions
2. Select your Tuition Application Restriction. If you haven't created the restriction yet, please follow How to setup Application Restrictions
3. On your application restriction, check the box on the bottom to Restrict Advance deposit credits to specified transactions within the same month.

note: This will restrict your advance deposit credits to all charges that come from the items defined in the restriction grid above the check box.

4. Save and Close the application restriction
5. Select Products and Billing items, Open your Advance Deposit Billing items
6. Select the restrictions tab, and where it displays specific settings below, change the drop down to Configuration and choose the Application Restriction you just changed/created.