(1) Except when the distinction is based on reasonable grounds, it is an unlawful discriminatory practice for the owner, lessee, manager, agent, or employee of a public accommodation:
(a) to refuse, withhold from, or deny to a person any of its services, goods, facilities, advantages, or privileges because of sex, marital status, race, age, physical or mental disability, creed, religion, color, or national origin;
(b) to publish, circulate, issue, display, post, or mail a written or printed communication, notice, or advertisement which states or implies that any of the services, goods, facilities, advantages, or privileges of the public accommodation will be refused, withheld from, or denied to a person of a certain race, creed, religion, sex, marital status, age, physical or mental disability, color, or national origin.
(2) Except when the distinction is based on reasonable grounds, it is an unlawful discriminatory practice for a licensee under Title 16, chapter 4, to exclude from its membership or from its services, goods, facilities, advantages, privileges, or accommodations any individual on the grounds of race, color, religion, creed, sex, marital status, age, physical or mental disability, or national origin. This subsection does not apply to any lodge of a recognized national fraternal organization.
(3) Nothing in this section prohibits public accommodations from giving or providing special benefits, incentives, discounts, or promotions for the benefit of individuals based on age.