This needs to be set at the Time Off type level. 'Allow Editing of Submitted Bookings' needs to be set to 'Only for Past Bookings'. Steps are as follows:-
- Log into Replicon as Administrator. - Go to Time Off Types under Time Off. - Click on the required Time Off type. - Set Allow Editing of Submitted Bookings to Only for Past Bookings. - Users will not be able to delete approved Time offs, they will only be able to edit the Timeoff once its submitted or approved.
The above steps have been demonstrated in the video below:-