The Board of Adjustment shall be funded from time to time out of the General Fund by the City Council. Meetings of the Board shall be held at such times as the City Council may designate, or at such other times as the Chairperson may, in his or her discretion, call a meeting. Special meetings may be also held upon the call of any three members of the Board. A majority of the Board shall constitute a quorum for the purpose of doing business. It shall be the duty of the Board to hear and decide appeals where it is alleged that there is error in any order, requirement, decision or determination made by a city official based on any zoning ordinance of the city; to hear and decide in accordance with the provisions of any zoning ordinance, requests for interpretation of any map or decision relating to zoning regulations; and authorize a variance from the strict application of any zoning ordinance if it is found that a specific piece of property, due to exceptional specifications existing at the time of passage of the said ordinance would result in exceptional difficulties and undue hardship; provided that, no variance shall be granted if the undue hardship appears to affect the property in the district generally, or if the situation of the property concerned appears to be so general or recurring in nature as to make reasonably practicable, the formulation of a general regulation to be adopted by the City Council as an ordinance. The concurring vote of four members of the Board shall be necessary to reverse any order, requirement, decision or determination made by a city official on any matter which was governed by any city zoning ordinance.