Within the limits of any park and public properties, it is unlawful for any person to bring or have in his possession any spray paint can or any other indelible marking apparatus designed or suitable for the application of paint or indelible ink to any surface by spraying paint or marking with indelible ink upon such surface. The foregoing prohibitions shall not apply to the following:
(A) Persons bearing a special written permit from park or city authorities to have such cans or apparatus in their possession.
(B) Persons engaged or employed by the city for the purpose of applying paint and other material to appropriate surfaces within the limits of the public parks and other public properties.
('83 Code, § 9.20.020) Penalty, see § 10.99