Jurisdiction. Unless otherwise provided by local law or ordinance, the jurisdiction of the Board of Appeals shall be appellate only and shall be limited to hearing and deciding appeals, reviewing any order, requirement, decision, interpretation or determination made by an administrative official charged with the enforcement of any ordinance or local law adopted pursuant to this article. Such Board shall have the authority to call upon any department, agency or employee of the municipality for such assistance as shall be deemed necessary and shall be authorized by the Town Board. Such department, agency or employee shall be reimbursed for any expenses incurred as a result of such assistance. The concurring vote of a majority of the members of the Board of Appeals shall be necessary to reverse any order, requirement, decision or determination of any such administrative official, or to grant a use variance or area variance. Such appeal may be taken by any person aggrieved or by an officer, department, board or bureau of the Town.