The several districts into which the City is divided are hereby established and designated as follows:

The boundaries of the districts established and designated by the provisions of Section 9-3.301 of this article shall be as shown on that certain map entitled "The Zoning Map of the City of Los Banos dated October 20, 2010," incorporated in and made a part of this chapter by reference as if fully set forth in this chapter. Said map is on file in the office of the Planning Department and shall be referred to for the location of the areas shown within such districts. The districts shown are hereby declared to be subject to the provisions pertaining to such designated districts as set forth in this chapter. No person shall use any land, building, or structure, nor shall any building or structure be erected, constructed, enlarged, altered, moved, or used, in any district shown on the zoning map, except in accordance with the provisions of this chapter.

Where the exact boundaries of a district cannot be readily or exactly ascertained by reference to the zoning map, the boundaries shall be deemed to be along the nearest street or lot line, as the case may be. If a district boundary line divides or splits a lot, the lot shall be deemed to be included within the district which is the more restrictive. In the case of acreage, the scale appearing on the zoning map shall be used to determine the locations of boundaries.

Changes in the boundaries of districts shall be made by ordinance. Such ordinances shall describe the area to be changed, either by lot and block number or by metes and bounds. After the adoption of any ordinance changing any boundaries of any district, the City Clerk shall mark the zoning map to show the number and date of the adoption of the ordinance making such change.

Each year on January 2nd the City Clerk shall cause a revised copy of the zoning map to be published in a newspaper of general circulation in the City to show the changes made in the district boundaries by such amending ordinances for the year preceding such publication; provided, however, no publication shall be required if there have been no such changes during the preceding year.