Tex. Agriculture Code § 162.006: QUARANTINE.

(a) The commission shall immediately quarantine cattle and the premises on which the cattle are located if the cattle show a positive reaction when tested for tuberculosis by a veterinarian recognized by the commission for that purpose.

(b) Before the establishment of a quarantine a person may not move the cattle that show a positive reaction from the enclosure in which they were located at the time of testing, and may not sell, trade, barter, grant, or loan those animals. After a quarantine is established, a person may not move any cattle from the quarantined premises without first obtaining a written permit from the commission.

(c) A person who violates this section may not be prosecuted under Chapter 161 of this code for the same act.

Acts 1981, 67th Leg., p. 1409, ch. 388, Sec. 1, eff. Sept. 1, 1981. Amended by Acts 2001, 77th Leg., ch. 522, Sec. 3, eff. Sept. 1, 2001.