24 C.F.R. § 100.75 : Housing and Urban Development — REGULATIONS RELATING TO HOUSING AND URBAN DEVELOPMENT — OFFICE OF ASSISTANT SECRETARY FOR EQUAL OPPORTUNITY, DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT — DISCRIMINATORY CONDUCT UNDER THE FAIR HOUSING ACT — GENERAL — DISCRIMINATORY HOUSING PRACTICES — Discriminatory advertisements, statements and notices

(a) It shall be unlawful to make, print or publish, or cause to be made, printed or published, any notice, statement or advertisement with respect to the sale or rental of a dwelling which indicates any preference, limitation or discrimination because of race, color, religion, sex, handicap, familial status, or national origin, or an intention to make any such preference, limitation or discrimination.
(b) The prohibitions in this section shall apply to all written or oral notices or statements by a person engaged in the sale or rental of a dwelling. Written notices and statements include any applications, flyers, brochures, deeds, signs, banners, posters, billboards or any documents used with respect to the sale or rental of a dwelling.
(c) Discriminatory notices, statements and advertisements include, but are not limited to:
(1) Using words, phrases, photographs, illustrations, symbols or forms which convey that dwellings are available or not available to a particular group of persons because of race, color, religion, sex, handicap, familial status, or national origin.
(2) Expressing to agents, brokers, employees, prospective sellers or renters or any other persons a preference for or limitation on any purchaser or renter because of race, color, religion, sex, handicap, familial status, or national origin of such persons.
(3) Selecting media or locations for advertising the sale or rental of dwellings which deny particular segments of the housing market information about housing opportunities because of race, color, religion, sex, handicap, familial status, or national origin.
(4) Refusing to publish advertising for the sale or rental of dwellings or requiring different charges or terms for such advertising because of race, color, religion, sex, handicap, familial status, or national origin.
(d) 24 CFR part 109 provides information to assist persons to advertise dwellings in a nondiscriminatory manner and describes the matters the Department will review in evaluating compliance with the Fair Housing Act and in investigating complaints alleging discriminatory housing practices involving advertising.

24 C.F.R. §100.75