You can reopen a closed period to correct timesheets that were approved during the close period. Users cannot delete, create or approve any new timesheets.
To reopen a closed period:
Click the Timesheets link and select Administration from the Left Navigation bar, or select Go To > Timesheets > Administration from the Top Navigation bar.
Click the Reopen for Correction button.
Click Ok to confirm re-opening the timesheet close period.