Conduct on premises; refusal of service.

The operator of a public lodging establishment or public food service establishment may refuse accommodations or service to any person whose conduct on the premises of the establishment displays intoxication, profanity, lewdness, or brawling; who indulges in language or conduct such as to disturb the peace or comfort of other guests; who engages in illegal or disorderly conduct; who illegally possesses or deals in controlled substances as defined in chapter 893; or whose conduct constitutes a nuisance. Such refusal may not be based upon race, creed, color, sex, physical disability, or national origin.