Tex. Agric. Code § 148.003 – Slaughter of Unbranded or Unmarked Livestock; Slaughter Without Bill of Sale

(a) A slaughterer may not purchase or slaughter for market livestock that is unmarked or unbranded.
(b) A slaughterer may not purchase and slaughter any animal without receiving a bill of sale or written transfer from the person selling the livestock.
(c) This section does not apply to the slaughter of an animal raised by the slaughterer.

Acts 1981, 67th Leg., p. 1385, ch. 388, Sec. 1, eff. Sept. 1, 1981.