Why does the system keep marking our "Payment Received" checklist item as not required when I set it as required?

If you notice the system unchecking the 'Required' flag on the enrollment checklist item for each student (this shows in the audit log of the checklist item), this is because the deposit catalog items are not payable online.

To confirm whether or not the deposit catalog items are payable online, follow the steps below:
  1. Navigate to the Online Enrollment homepage and to the 'Amounts' query.
  2. Search for the 'Is Payable Online?' field in the query design.
  3. Make sure the catalog items with the fee type of Tuition Deposit has this field checked like this: