1. On the Time menu bar, click Configuration.
2. On the left-side navigation pane, click Settings.
3. Expand the Approval Process Settings section.
4. Click the Approval Start Date field and select the date on the popup calendar from which you want to start using the approval functionality.
5. Click "Apply" to save changes.
The approval feature is now enabled and all the weeks prior to your selected date will be locked for editing for all Timetracker users.
NOTE: Once you save the start date, you cannot change the first day of the week unless you want to reset all approval data.