(a) Adoption of Zones and Zoning Map. The City of Kenai is divided into the following zones:

These zones shall be bounded and defined as shown on the official zoning map, which shall be kept on file at Kenai City Hall. This official zoning map, together with all explanatory matter thereon, as exhibited at the time of public hearing, is hereby adopted by reference and declared to be a part of this chapter.

(b) Adoption of Regulations. Regulations applying to each zone as set forth in this chapter and are hereby adopted.

(c) Official Zoning Map. The official zoning map, located in the Kenai City Hall, shall be the final authority as to the current zoning status of land and water areas, buildings, and other structures in the City.

(d) Map Changes. No changes of any nature shall be made in the official zoning map or matter shown thereon except in conformity with the procedures set forth in this chapter. Any unauthorized change of whatever kind by any person or persons shall be considered a violation of this chapter and punishable as provided by this chapter.