24 CFR Part 100—Discriminatory Conduct Under the Fair Housing Act (with amendments issued through Sept. 2016)

(4) Establishing geographic boundaries or office location or residence requirements for access to or membership or participation in any multiple listing service, real estate brokers' organization or other service, organization or facility relating to the business of selling or renting dwellings, because of race, color, religion, sex, handicap, familial status, or national origin.