Creation, appointment and organization. A Board of Appeals, as previously created by the 1974 Zoning Ordinance of the Town of Lysander, is hereby continued. Said Board shall consist of five permanent members and two alternate members, appointed by the Town Board, who shall also designate the Chairman. The terms of office of said permanent members of the Board of Appeals shall be five years. Of the alternate members of the Board first appointed, one shall be appointed for a term of one year, and one person shall be appointed for a term of two years, and all successors shall be appointed for a term of two years. If a vacancy shall occur otherwise than by expiration of term, it shall be filled by the Town Board, which shall appoint an alternate member with the longest tenure for the unexpired term or, if the alternate members have the same tenure, the appointment of an alternate member shall be at the discretion of the Town Board. The Board of Appeals shall prescribe rules for the conducting of its affairs, including rules relating to notice of neighbors regarding area variance requests.