21 Chief executive officer (1) The board of an ambulance service must appoint a person as the chief executive officer and must cause any vacancy in the office of chief executive officer to be filled as soon as possible. Note Section 23(1)(e) provides that the Governor in Council, by Order, on the recommendation of the Minister, may appoint the initial chief executive officer of a newly constituted ambulance service. (2) The board of an ambulance service must not appoint a person as chief executive officer unless the Secretary approves— (a) the appointment of that person; and