Accessory off-street parking facilities (including access driveways) shall be provided in accordance with Section 1149.06 as a condition precedent to the occupancy of a residential, institutional, business, commercial and manufacturing use, except in the Central Business District, Section 1149.05, in conformance with the provisions of this chapter:
(a)   Whenever a building is constructed or new use established;
(b)   Whenever an existing building is altered and there is an increase in the number of dwelling units, seating capacity or floor areas of building;
(c)   Whenever the use of an existing building is changed to a use requiring more off-street parking facilities, except as provided in Section 1149.06.
      (1980 Code 151.82)