How to set up make-up clock-ins? 中文 For calendar check-ins and assignment check-ins, you can set the number of make-up check-ins for students on the or page. 1. The default number of make-up check-ins is 0, which means make-up check-ins are not allowed. 2. For calendar check-ins, the maximum number of make-up check-ins cannot exceed the number of check-in days. 3. For calendar check-ins, students are not allowed to make up check-ins after the check-in period ends.