The City Council shall appoint a Board of Adjustment comprised of five (5) regular members and two (2) alternate members for two (2) year staggered terms, all of whom shall be citizens of the City of Heath. Such appointees shall serve without compensation. The Board of Adjustment shall be governed by Chapter 211, Texas Local Government Code, and have such additional duties as may be prescribed by ordinance or applicable State law. A vacancy on the board shall be filled by the City Council for the un-expired term. The Board shall select from any of its members a Chairperson and Vice Chairperson.