87.69. A senior administrator whose status changes from full-time to part-time during his period of work may elect to:(1) continue to participate in the plan according to section 87.68; or
(2) withdraw from his agreement on the conditions determined in section 87.88.
A full-time senior administrator who becomes a part-time senior administrator after his period of leave is deemed to remain a full-time senior administrator for the purposes of calculating the percentage of his salary during the period of work following the period of leave.