Effective September 2016, a principal designate is any teacher designated to be in charge of the school when the principal, or the principal and vice principal are absent from the school. Such a designated teacher shall be paid on the basis of 50% of the daily principal allowance for that school for each day of such absence. In no case will the allowance for each day be less than $35.00. A half day of absence shall be paid 25% of the daily principal allowance for that school. In no case will the allowance for the half day be less than $17.50.