Accumulated Time and Holiday Time Off. Accumulated time and holiday time off may be scheduled at the discretion of the employee and the employee shall not be deprived from taking his/her scheduled time off due to an unexpected subsequent shortage of manpower in the Department or otherwise, except in the case of a declaration of emergency by the Chief or his/her designee. In the event that an employee is required to work during his/her scheduled compensatory time off due to a declaration of emergency by the Chief or his/her designee, the employee will be compensated for the hours of his/her compensatory time off that he/she was required to work, such time worked shall be paid at the rate of time and one-half (1½).