Any owner, manager, operator or other person having control of a place, business, office or other establishment or activity subject to this chapter shall not knowingly permit, cause, suffer or allow any person to violate the provisions of this chapter in that place and shall take all necessary steps to prevent or stop another person from smoking in violation of this chapter. “Necessary steps” means to take all reasonable actions to prevent smoking in violation of this chapter by employees, patrons and visitors in the place, business, office or establishment, including: posting “no smoking” signs and removing all ashtrays; verbally asking a person who is smoking to extinguish the smoking materials; refusing service to a person who is illegally smoking; verbally asking anyone illegally smoking to leave the premises; and applying standard business procedures in the same manner for violations of house rules or other local ordinances or State laws. If the employee, patron or visitor smoking in violation of this chapter is hard of hearing, the communications with that person may be written, in sign language or other effective means of communication. (Ord. 19315 § 10, 9-29-09. Code 1995 § 78-234.)