Alternate Zoning Board members. The Mayor shall have the right to appoint annually, subject to the approval of the Trustees, five alternate members (first, second, third, fourth, and fifth to the Board), and such alternate members shall have all the requirements for eligibility of regular Board members. Alternate members, upon the authorization of the Board Chair, shall enjoy the same rights and privileges as regular Board members, including the right to participate in all discussions; provided, however, that an alternate member shall be entitled to vote only when a regular Board member is not present or is disqualified from voting. When a Board member will not be voting, the Board Chair shall authorize such Board member's voting authority to be the first alternate and, if in his/her absence, to the second alternate, etc. Any further reference herein to Board members shall include any alternate, unless otherwise indicated.