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If students are reporting that Turnitin does not allow to resubmit paper after the due date.

Symptom:
When the student tries to submit the assignment, the 'Submit' button is greyed out as below:

Turnitin resubmission.png





Solution/Workaround:
Advise student to contact the instructor to delete the previous submission or clear the attempt.

An instructor will need to clear the attempt:
1. Go to Course Tools > Turnitin Assignments > <AssignmentName>
2. Select the student and click on 'Delete' button

Refer to article: Clear Turnitin submission to allow student to resubmit