21G.— (1) Subject to subsection (2), the Board may appoint such other employee of the Executive to perform the functions of the chief executive officer during—

(a) any period or periods when the chief executive officer is absent from duty or from the State or is, for any other reason, unable to perform the functions of chief executive officer,

(b) any suspension from office of the chief executive officer, or

(c) any vacancy in the office of chief executive officer.

(2) The Board may at any time terminate an appointment under this section.]