Two alternate members of the ARC shall be appointed by the City Manager for terms of two years, commencing on the date of appointment. These members shall serve when members are absent or unable to participate on an application before the ARC. The Chairman of the ARC may designate an alternate substitute for a member when such member is unable to participate on an application or matter before the Commission. When so designated, the alternate member shall possess all the powers and responsibilities of such member of the Commission. Such designation shall be entered into the minutes of every ARC meeting at which the substitution is made. All provisions of state law and local law, codes, rules and regulations relating to ARC member eligibility, vacancy in office, or removal, compatibility of office and service on other boards, as well as any provisions of any local law or local ordinance relating to training, continuing education, compensation and attendance, performance of duties, qualifications and others, shall also apply to alternate members.