This chapter shall be known and may be cited as "The Zoning Ordinance of Oak Hill, Tennessee," and the map herein referred to, which is identified by the title, "Official Zoning Map, Oak Hill, Tennessee," and all explanatory matters thereon are hereby adopted and made a part of this chapter. The official zoning map shall be located in the city hall and shall be identified by the signature of the mayor attested by the city recorder. The official zoning map may be amended; provided, however, that, no amendment of the official zoning map shall become effective until after such change and entry has been made on such map and signed by the mayor and attested by the city recorder. (Ord. No. 12-16, Jan. 2013)