Pay for Unused Sick Leave Unused sick leave not to exceed 70 days will be paid at the rate of $50 per day when the teacher retires or leaves U.S.D. 506 employment, provided the teacher has a minimum of 10 years of service in U.S.D. 506. Article VI: Activity Ticket Each teacher of U.S.D. 506 shall be issued an activity ticket, which shall be honored at all regular school functions held within the district. Said ticket shall not be honored at basketball tournaments and special events. Said ticket shall be honored for employee, spouse, and children who have not yet graduated from high school. The Board of Education will have an expectation that those teachers in attendance at school functions will assume a reasonable amount of general supervision as needed.