Instead of a Turn in button, some assignments will have a Mark as done button.
Note: Any assignment that you've turned in or marked as done after the due date is recorded as late, even though you may have submitted the work already before the due date.
You have the option to unsubmit your work after you have turned in an assignment or marked it as done. Use this if you need to make changes and resubmit it to your teacher. If you unsubmit an assignment, please be sure to resubmit it before it's due.