Appointment of alternate members. The Township Supervisors may appoint by resolution at least one, but no more than three, residents of the Township to serve as alternate members of the Zoning Hearing Board. The term of office of an alternate member shall be three years. When seated pursuant to the provisions of § 460-1501B, an alternate shall be entitled to participate in all proceedings and discussions of the Zoning Hearing Board to the same and full extent as provided by law for Board members, including specifically the right to cast a vote as a voting member during the proceedings, and shall have all the powers and duties set forth in this chapter, the Municipalities Planning Code, and as otherwise provided by law. Alternates shall hold no other office in the Township, including membership on the Planning Commission and Zoning Officer. Any alternate may participate in any proceeding or discussion of the Zoning Hearing Board but shall not be entitled to vote as a member of the Zoning Hearing Board, nor be compensated, unless designated as a voting alternate member pursuant to § 460-1501B of this chapter.