On the User Date Limits screen (Admin >> System Admin >> User Date Limits), a SYSOP can set rules related to when to remind and/or suspend users for expiring medicals, BFRs, and other important dates. Up to 8 different dates can be customized. These dates are updated in the Status page of the User profile (Admin >> User Mgmt >>User Profiles).
Image below shows screen for defining user status date fields.
This image shows the user date fields outlined in red on the User Status page.