strict. The “NSO” Neighborhood Stabilization Overlay District shall include contiguous parcels of residentially and commercially zoned parcels, which may only be separated by public streets, ways or alleys or other physical features, or as set forth in the rules approved by the Director of Planning. A “NSO” Neighborhood Stabilization Overlay District may encompass an area that is designated, in whole or in part, as a Historic Preservation Overlay Zone and/or Specific Plan area. 4. Definitions. Notwithstanding any other provision of this article to the contrary, the following definitions shall apply to this section: Affordable Housing Units. Dwelling units or guest rooms for which rental payments do not exceed the limits established by the Los Angeles Housing Department for persons and families whose income does not exceed 30% - 120% of Area Median Income (AMI), adjusted for family size by the United States Department of Housing and Urban Development in accordance with adjustment factors established and amended from time to time pursuant to Section 8 of the United States Housing Act of 1937. The income limits are defined as lower, low, moderate, very low, or extremely low income households in Sections 50079.5, 50093, 50105 and 50106 of the California Health and Safety Code. (Amended by Ord. No. 187,122, Eff. 8/8/21.) Area Median Income (AMI). The median income in Los Angeles County as determined annually by the California Department of Housing and Community Development (HCD) or any successor agency, adjusted for household size. Project. The construction, erection, addition to, enlargement of or reconfiguration of any one-family dwelling or multiple-family dwelling units or portions of dwelling units in the R2, RD, R3, RAS, R4, R5, CR, C1, C1.5, C2, C4, C5 or CM zones that create at least one dwelling unit with five or more habitable rooms. A project shall not include any of the following uses: (1) Dormitories on an official college or university campus; or (2) Any qualifying Affordable Housing Units. 5. Findings. In order to establish a “NSO” Neighborhood Stabilization Overlay District, the City Council shall find that Neighborhood Stabilization Overlay regulations will protect and enhance the character of the District by regulating building bulk caused by buildings with five or more habitable rooms per unit;