22 Tex. Admin. Code § 531.19
No real estate licensee shall inquire about, respond to or facilitate inquiries about, or make a disclosure which indicates or is intended to indicate any preference, limitation, or discrimination based on the following: race, color, religion, sex, national origin, ancestry, familial status, or handicap of an owner, previous or current occupant, potential purchaser, lessor, or potential lessee of real property. For the purpose of this section, handicap includes a person who had, may have had, has, or may have AIDS, HIV-related illnesses, or HIV infection as defined by the Centers for Disease Control of the United States Public Health Service.
Source Note:The provisions of this §531.19 adopted to be effective February 19, 1990, 15 TexReg 656.