All leaves of absence shall be subject to cancellation by the department head at any time upon written notice to the employee and the borough manager specifying a reasonable date of termination of leave. The borough manager, upon prior notice to the employee and the department head, may cancel an approved leave of absence at any time the borough manager determines that the employee is using the leave for purposes other than those specified at the time of approval. [Ord. No. 956B, §1, 5-1-95. Code 1974 §30.60.030.]