Loss of Per Diem Salary. Permission for days off with the loss of per diem salary shall be granted based on the operational needs of the building and district not to exceed five (5) days in any one school year. Notice of intent to use leave must be presented in writing to the Building Principal at least two (2) weeks prior to the leave days, except in the case of an emergency. These days shall not be granted for the first or last day of the teacher’s work year. R:94, 03