§ 151.022 PROVISIONS FOR OFFICIAL ZONING MAP.
   (A)   Incorporation of Map. The boundaries of districts established by this chapter are shown on the Official Zoning Map which is incorporated into the provisions of this chapter. The Zoning Map in its entirety, including all amendments, shall be as much a part of this chapter as if fully set forth and described herein.
   (B)   Identification and alteration of the Official Zoning Map.
      (1)   The Official Zoning Map shall be identified by the signature of the Mayor, attested by the Town Clerk and bearing the seal of the Town under the following words: “This is to certify that this is the Official Zoning Map referred to in § 151.023 of the Code of Collierville, Tennessee.”.
      (2)   If, in accordance with the provisions of this chapter and Tenn. Code Ann. § 13-7-204, changes are made in district boundaries or other matter portrayed on the Official Zoning Map, such changes shall be entered on the Official Zoning Map promptly after the amendment has been approved by the Board of Mayor and Aldermen. A statement shall be included, “By official action of the Board of Mayor and Aldermen, the following change(s) was made in the Official Zoning Map; (brief description of nature of change),” which entry shall be signed by the Mayor and attested by the Town Clerk.
      (3)   No amendment to this chapter which involves matter portrayed on the Official Zoning Map shall become effective until after such change and entry has been made on the Map.
      (4)   No changes of any nature shall be made in the Official Zoning Map or matters shown thereon except in conformity with the procedures set forth in this chapter. Any unauthorized change of whatever kind by any person shall be considered a violation of this chapter.
      (5)   Regardless of the existence of purported copies of the Official Zoning Map which may from time to time be made or published, the Official Zoning Map which shall be located in the office of the Building Official shall be the final authority as to the current zoning status of land and water areas, buildings and other structures in the Town.
   (C)   Replacement of Official Zoning Map.
      (1)   In the event that the Official Zoning Map becomes damaged, destroyed, lost or difficult to interpret because of the nature or number of changes and additions, the Board of Mayor and Aldermen may by resolution adopt a new Official Zoning Map which shall supersede the prior Official Zoning Map. The new Official Zoning Map may correct drafting and other errors or omissions in the prior Official Zoning Map, but no such corrections shall have the effect of amending the original Official Zoning Map or any subsequent amendment thereof. The new Official Zoning Map shall be identified by the signature of the Mayor, attested by the Town Clerk and bearing the seal of the Town under the following words: “This is to certify that this Official Zoning Map supersedes and replaces the Official Zoning Map adopted                                      as part of Ordinance Number          of the Town of Collierville, Tennessee.”
      (2)   Unless the prior Official Zoning Map has been lost, or has been totally destroyed, the prior map or any significant parts thereof remaining shall be preserved, together with all available records pertaining to its adoption or amendment.
(`00 Code, § 11-303)