PROFESSIONALASSOCIATIONACTIVITIES. The Board shall grant leave for attendance at Association activities for appropriate Association representatives, not to exceed twenty (20) days total for each school year, with at least two weeks prior notification to the Superintendent. This may be waived by the Superintendent. The Association will submit to the Superintendent a tentative calendar and names of representatives for Association activities by September 15th of the contract year. The Association shall be responsible for the teacher's sub costs, mileage, and the activity expense. R: 80, 86, 06