Texas Agriculture Code - AGRIC § 147.003. Exceptions

(a) A person pursuing the business of selling mules, horses, jacks, or jennets in a county with a population of not less than 2.1 million nor more than 2.2 million is not subject to this chapter as a livestock auction commission merchant.

(b) Sections 147.004, 147.022(a)(3), 147.022(b), 147.023, 147.024, and 147.041(a) do not apply to a livestock auction commission or company that is subject to and regulated by the United States Department of Agriculture under the Packers and Stock Yards Act (7 U.S.C. Sec. 181 et seq.).