Columbia Commercial advertising prohibited ordinance (§ 16-282)

No person shall operate, or cause to be operated, any sound amplifying equipment or sound truck or other conveyance for commercial sound advertising purposes on any street or on any public or private alley in the city or in the air over the city, with sound amplifying equipment in operation; and no person shall operate, or cause to be operated, any sound amplifying equipment on any public square, public street or public playground for commercial advertising purposes in the city.