The person having control of a place, business, office or other establishment where smoking is prohibited may not knowingly permit smoking in violation of this ordinance and shall take all necessary steps to prevent it. Necessary steps means to take all reasonable actions, such as:

• Removing ashtrays;
• Verbally asking the person who is smoking to extinguish his or her smoking materials;
• Refusing service to a person who is illegally smoking;
• Verbally asking anyone illegally smoking to leave the premises;
• Applying standard business procedures in the same manner for violations of house rules or other local ordinances or state laws.