Test on a 5.0 site. Site setup: Go to "Grades > Grade penalties > Manage penalty plugins" in site administration: Click on 'toggle' button to enable 'Late submission penalties' plugin Go to "Grades > Grade penalties > Late submission penalties > Penalty rules": Create a penalty rule of 10%. Go to "Grades > Grade penalties > Supported modules": Click to select "Assignment" Save change Create an assignment: Set "due date" to "Yesterday" / a date in the past Make sure grade type is set to point Enable "Grade penalties" under "Grade" section Enrol a student to the course Login as the student Add an submission Log in as a teacher Mark the submission and allow another attempt Log in as the student Submit another attempt Log in as the teacher Mark the new submission attempt In the app as a student: Go to the assignment. In the "Feedback" card, verify that the text "Late penalty applied -10.00 marks" is displayed below the grade. Expand the previous attempts and verify that the text "Late penalty applied -10.00 marks" is displayed below the grade. Go to the grades of the course using a phone: Verify that the exclamation icon is displayed near the grade of the assignment. Expand the grade of the assignment. Verify that the text "Late penalty applied -10.00 marks" is displayed below the grade Go to the grades of the course using a tablet: Verify that the text "Late penalty applied -10.00 marks" is displayed below the grade In the app as a teacher: Go to the assignment. Go to participants and open the student. In the "Feedback" card, verify that the text "Late penalty applied -10.00 marks" is displayed below the grade. Expand the previous attempts and verify that the text "Late penalty applied -10.00 marks" is displayed below the grade. Press the "Grade" button Verify that the text "Late penalty applied -10.00 marks" is displayed below the "Current grade in gradebook". Go to the grades of the course Verify that the exclamation icon is displayed near the grade of the assignment. Expand the grade of the assignment. Verify that the text "Late penalty applied -10.00 marks" is displayed below the grade