Board of Supervisors may appoint, by resolution, at least one, but no more than three residents of West Rockhill Township to serve as alternate members of the Board. An alternate member shall, when seated on the Board as provided herein to complete the quorum, participate in all discussions and proceedings of the Board to the same and full extent 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 act and as otherwise provided in this chapter and as otherwise provided by law. At any time, an alternate may participate in any proceeding or discussion of the Board but shall not be entitled to vote as a member of the Board nor be compensated unless seated as a voting alternate member as needed to complete the quorum. The term of office of an alternate member shall be three years. Alternates shall hold no other office in West Rockhill Township.