Questions on Incomplete Grades (IN) and their Default Grades? If you are submitting an Incomplete Grade (IN) for a student, a Default Grade is required. The Default Grade is the grade assigned if the student's work is not completed by the end of the stipulated period. Default grades are submitted by clicking on the Submit Incomplete Default Grades page or within the reminder message that appears once an IN grade is submitted. If no Default Grade is submitted, then the blank grade will default to an 'F' at the end of the stipulated period as per the Incomplete Grade Policy. Please note: Submitting an incomplete and default grade online does not replace the approval procedures your department chair/school director may have developed. You should contact your department chair/school to determine if further steps are needed to award an 'IN' grade.