Each participating public agency of this state shall be represented on any interlocal advisory board established by an interlocal agreement to which it is a party. Its representatives shall be appointed by the legislative body of the participating public agency of this state, or in such other manner as shall be prescribed by such legislative body. The qualifications, terms of office and compensation, if any, of such representatives shall be prescribed by such legislative body, subject to any applicable provisions of the interlocal agreement.