Texas Agriculture Code - AGRIC § 165.003. Sale or Distribution of Unattenuated Classical Swine Fever Virus

(1) acquisition, propagation, manufacture, or use of unattenuated classical swine fever virus by, and on the licensed premises of, a firm operating under a United States veterinary license issued by the secretary of agriculture of the United States;

(2) manufacture of unattenuated classical swine fever virus by a firm operating under a United States veterinary license for the sale or distribution in states in which use of attenuated classical swine fever virus is permitted; or

(3) keeping vaccine on hand for purely experimental or research activities by a recognized college, university, school, or laboratory engaged in research activities.