Mode of appointment of officers and members of authorities

(1) Except where otherwise expressly provided by this Act or the Statutes, the members of officers and authorities shall be chosen in a manner other than by election as far as possible. (2) If provision is made for any appointment by rotation or seniority or according to other qualifications in this Act or the Statutes, the manner of determining such rotation, seniority, and other qualifications shall be such as may be prescribed.