How to solve students' attendance (absences) at the very end of the term after deadline

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Schools register students' attendance up to the end of school year.
If you wish to close the absences counting at an earlier deadline and for the additional excused and unexcused lessons not to be counted into the final report, follow the instructions: The administrator creates a new type of absence, not to be counted into the final report attendance. How to create a new type of student absence?
It is important to set "Do not count" type of excuse.

The teachers select the new type of absence when inputting an absence note.