Iowa Code Title VI. Human Services [Chs. 216-255A] § 216.7. Unfair practices--accommodations or services

a. To refuse or deny to any person because of race, creed, color, sex, sexual orientation, gender identity, national origin, religion, or disability the accommodations, advantages, facilities, services, or privileges thereof, or otherwise to discriminate against any person because of race, creed, color, sex, sexual orientation, gender identity, national origin, religion, or disability in the furnishing of such accommodations, advantages, facilities, services, or privileges.

b. To directly or indirectly advertise or in any other manner indicate or publicize that the patronage of persons of any particular race, creed, color, sex, sexual orientation, gender identity, national origin, religion, or disability is unwelcome, objectionable, not acceptable, or not solicited.

a. Any bona fide religious institution with respect to any qualifications the institution may impose based on religion, sexual orientation, or gender identity when such qualifications are related to a bona fide religious purpose.

b. The rental or leasing to transient individuals of less than six rooms within a single housing accommodation by the occupant or owner of such housing accommodation if the occupant or owner or members of that person's family reside therein.