(a) The Chairman of the Commission may appoint one or more employees of the Administration to serve as assistant secretaries.

(b) (1) An assistant secretary has the duties provided by law, assigned by the Chairman, or delegated by the Commission secretary.

(2) If the Commission secretary temporarily is unable to perform his duties, an assistant secretary designated by the Chairman shall perform those duties.

(c) An assistant secretary is not entitled to any compensation in addition to that which he receives as an employee of the Administration.