(A) The locations and boundaries of zoning districts established by ordinance shall be recorded on an Official Zoning Map to be adopted by an ordinance of the City Council and identified and amended in the manner specified in this subchapter. Recording on the official map is not a prerequisite to the effectiveness of a zoning ordinance.
(B) The Official Zoning Map shall be identified by the signature of the Mayor attested by the Secretary for the city under the following words: "This is to certify that this is the Official Zoning Map of the City of Sunset Valley, Texas."
(C) Changes in the zoning classification of particular parcels or areas of land, approved by the City Council in accordance with the provisions of this chapter, shall be noted promptly on the Official Zoning Map with the following entry: "On (date), by official action of the City Council, the following changes were made in the Official Zoning Map: (brief description of the nature of the changes)", which entry shall be signed by the Mayor and attested by the Secretary of the City.
(D) No changes of any nature shall be made in the Official Zoning Map except in conformity with the procedures in this chapter.
(E) In the event that the Official Zoning Map becomes damaged, destroyed, lost, or difficult to interpret, the City Council may by resolution adopt a new Official Zoning Map which shall exactly duplicate the original except for corrections of errors or omissions.