40 Tex. Admin. Code §§ 819.121–819.136 § 819.130

(a) It is unlawful for a person whose business includes engaging in residential real estate-related transactions to discriminate based on race, color, disability, religion, sex, national origin, or familial status in making loans or other financial assistance available for a dwelling, or which is or is to be secured by a dwelling. (b) It is unlawful for a person engaged in making loans or in the provision of other financial assistance relating to the purchase, construction, improvement, repair, or maintenance of dwellings that are secured by residential real estate to impose different terms or conditions for the availability of such loans or other financial assistance based on race, color, disability, religion, sex, national origin, or familial status. (c) Prohibited practices under this section include, but are not limited to: (1) failing or refusing to provide to a person, in connection with a residential real estate-related transaction, information regarding the availability of loans or other financial assistance, application requirements, procedures, or standards for the review and approval of loans or financial assistance, or providing information that is inaccurate or different from that provided to others based on race, color, disability, religion, sex, national origin, or familial status; (2) using different policies, practices, or procedures in evaluating or determining creditworthiness of any person in connection with the provision of a loan or other financial assistance for a dwelling or for a loan or other financial assistance that is secured by residential real estate based on race, color, disability, religion, sex, national origin, or familial status; and (3) determining the type of loan or other financial assistance to be provided with respect to a dwelling, or fixing the amount, interest rate, duration, or other terms of a loan or other financial assistance for a dwelling or for a loan or other financial assistance that is secured by residential real estate based on race, color, disability, religion, sex, national origin, or familial status.