A. Changes in the boundary of the zones shall be made by ordinance adopting an amended Zoning Map, or part of said Map, or unit of a part of said Zoning Map, which said amended Map, or parts or units of parts, when so adopted, shall be published in the manner prescribed by law and become a part of this chapter.
B. Where uncertainty exists as to the boundary of any zone shown upon a Zoning Map or any part or unit thereof, the following rules of construction shall apply:
1. Where such boundary is indicated as approximately following street and alley lines or lot lines, such lines shall be construed to be such boundary.
2. In the case of un-subdivided property, andwhere a boundary divides a lot, the location of such boundary, unless dimensions indicate the same, shall be determined by use of the scale appearing on said Zoning Map.
3. Where a public street or alley is officially vacated or abandoned, the area comprising such vacated street or alley shall acquire the zone of the property to which it reverts.
4. Areas of dedicated streets or alleys and railroad rights-of-way, other than such as are designated on the Zoning Map as being classified in one of the zones provided in this chapter, shall be deemed to be unclassified and, in the case of streets shall be permitted to be used only for purposes lawfully allowed and, in the case of railroad rights-of-way, shall be permitted to be used solely for the purpose of accommodating tracks, signals, other operative devices and the movement of rolling stock.
5. Any property which, for any reason is not designated on the Zoning Map as being classified in any of the zones established hereby, or any property annexed to or consolidated with the City subsequent to July 3, 1953, shall be deemed to have an R-1-20,000 zone unless or until the same shall have been otherwise classified in the manner set forth in this title.
6. The legislative body may upon recommendation of the Planning Commission invoke a zone other than R-1-20,000 (single-family residential) on properties being annexed to or being consolidated with the city of Fullerton by adopting an interim ordinance.
(Ord. 2982, 2001).