(a) It shall be unlawful for any person or other entity whose business includes engaging in residential real estate related transactions to discriminate against any person in making available such a transaction, or in the terms or conditions of the transaction, because of race, color, religion, sex, handicap, familial status, or national origin.
(b) As used in this section, "residential real estate related transaction" means any of the following:
(1) The making or purchasing of loans or providing other financial assistance:
a. For purchasing, constructing, improving, repairing, or maintaining a dwelling; or
b. Secured by residential real estate; or
(2) The selling, brokering, or appraising of residential real property.
(c) Nothing in this chapter prohibits a person engaged in the business of furnishing appraisals of real property to take into consideration factors other than race, color, religion, national origin, sex, handicap, or familial status.