24 CFR 110.10: Persons subject.

(a) Except to the extent that paragraph (b) of this section applies, all persons subject to section 804 of the Act, Discrimination in the Sale or Rental of Housing and Other Prohibited Practices, shall post and maintain a fair housing poster as follows:

(1) With respect to a single-family dwelling (not being offered for sale or rental in conjunction with the sale or rental of other dwellings) offered for sale or rental through a real estate broker, agent, salesman, or person in the business of selling or renting dwellings, such person shall post and maintain a fair housing poster at any place of business where the dwelling is offered for sale or rental.

(2) With respect to all other dwellings covered by the Act:

(i) A fair housing poster shall be posted and maintained at any place of business where the dwelling is offered for sale or rental, and

(ii) A fair housing poster shall be posted and maintained at the dwelling, except that with respect to a single-family dwelling being offered for sale or rental in conjunction with the sale or rental of other dwellings, the fair housing poster may be posted and maintained at the model dwellings instead of at each of the individual dwellings.

(3) With respect to those dwellings to which paragraph (a)(2) of this section applies, the fair housing poster must be posted at the beginning of construction and maintained throughout the period of construction and sale or rental.

(b) This part shall not require posting and maintaining a fair housing poster:

(1) On vacant land, or

(2) At any single-family dwelling, unless such dwelling

(i) Is being offered for sale or rental in conjunction with the sale or rental of other dwellings in which circumstances a fair housing poster shall be posted and maintained as specified in paragraph (a)(2)(ii) of this section, or

(ii) Is being offered for sale or rental through a real estate broker, agent, salesman, or person in the business of selling or renting dwellings in which circumstances a fair housing poster shall be posted and maintained as specified in paragraph (a)(1) of this section,

(c) All persons subject to section 805 of the Act, Discrimination In Residential Real Estate-Related Transactions shall post and maintain a fair housing poster at all their places of business which participate in the covered activities.

(d) All persons subject to section 806 of the Act, Discrimination in the Provision of Brokerage Services, shall post and maintain a fair housing poster at all their places of business.