A chief of police of a city or the sheriff of an area outside of the city may waive any requirement of this article for swap meet operators and vendors in the city or area outside of the city if the chief of police or sheriff determines it is not necessary or appropriate in the public interest to impose the requirement. If the swap meet is located in both the city and area outside of the city, the chief of police of the city has the authority to grant the waiver authorized by this section.