In the event of the death, resignation, illness, leave of absence, removal or other vacancy, whether permanent or temporary, of the executive head of any Municipal department or any duly established subdivision thereof; and, in the further event that the Manager designate some other employee of such department/division to be acting executive head of the department/division, and to discharge the office and duties of the executive head of the department/division until the duly appointed department/division head resumes his duties or until another regular department/division head is appointed and qualified according to law; then, in such event, the employee so designated as acting department/division head shall receive from the Municipality as and for his compensation as such acting department/division head the salary established by Council for the position which such employee is temporarily filling.