No permit to engage in the business of operating a taxicab shall be granted to any person until it has been shown to the City Manager's satisfaction that public convenience and necessity require the operation of such vehicle.
   (A)   No permit shall, however be issued to any person whose color scheme, name, monogram or insignia to be used on such cars shall be in conflict with, or, in the opinion of the City Manager, imitate any other color scheme, monogram, name or insignia used by another concern in such manner as to be misleading or tend to deceive or defraud the public.
   (B)   No permittee shall use or employ on his or her cars more than two different color schemes, or any color scheme different or other than those described in his or her application for a permit.
('86 Code, § 5.68.070) (Ord. 3156, passed  - -  )