(a) Initial Board. The Initial Board shall be appointed by the legislative body of each member municipality. Appointments shall be made within 30 days of the effective date of this chapter and certified by the clerk of each member municipality to the Board. Within 60 days of the effective date of this chapter, the initial Board shall meet and shall elect from its membership a Chair and Vice Chair to serve until the organizational meeting to be held pursuant to section 10 of this chapter, and until their successors are duly elected and qualified. The initial Board shall also appoint a Clerk and Treasurer pursuant to sections 24 and 25 of this chapter.

(b) Subsequent boards. Each year, subsequent to Town Meeting and prior to the annual organizational meeting, the legislative body of each member municipality shall appoint its representative, and shall also name an alternate representative to the Board of Supervisors. Appointments shall be in writing, signed by the Chair of the legislative body, and presented to the Clerk of the District. The legislative body, by majority vote, may remove its municipality's appointed representative or alternate during his or her term of office at its discretion. The alternate representative shall represent the municipality at all meetings of the Board of Supervisors that the regular representative is unable to attend and shall have all the rights and privileges of the regular representative in his or her absence.