Scheduled Annual Leave (Vacation). Choice of Scheduled Annual leave for the Fire Suppression Division shall be granted by Battalion, by Department seniority, as provided by Department Standard Operating Procedure; and all employees will be allowed to take up to their maximum accumulation, if taken in (4 work period) vacation periods. The Annual leave period shall be exclusive of the Christmas - New Year’s period as defined by the Fire Chief. Open vacation slots shall be available to all members of the suppression division regardless of classification. No more than two (2) EMPLOYEES shall utilize these opportunities during the same single shift.