WHEREAS, Section 7, Rule XVII (Government Office Hours) of the Omnibus Rules Implementing Book V of Executive Order 292 and Other Pertinent Civil Service Laws provides that in the exigency of the service, or when necessary by the nature of work of a particular agency and upon representation with the Civil Service Commission (CSC) by the department heads concerned, requests for rescheduling or shifting of work schedule for a number of working days less than the required five (5) days may be allowed provided that government officials and employees render a total of forty (40) hours a week and the public is assured of core working hours of eight in the morning to five in the afternoon continuously for the duration of the entire work week;