(a) The committee shall hire and determine the salary of the legislative fiscal analyst who shall serve both at the direction and pleasure of the committee. The fiscal analyst shall serve as head of the finance division and, within the limits of the budget approved by the committee, shall employ and determine the compensation of the professional and clerical staff of the division.
(b) The fiscal analyst and members of the professional and clerical staff may not join or support a partisan political organization. This prohibition does not prevent the fiscal analyst or members of the staff from joining social organizations, expressing private opinion, registering as to party, or voting.