Tex. Agriculture Code § 141.102: PROCEDURE FOR SAMPLING AND ANALYSIS.

The service by rule shall prescribe the procedures for sampling and analysis of commercial feed. The procedures must, to the extent practicable, be in accordance with the official methods of the Association of Official Analytical Chemists or other methods that the service determines authentic by research and investigation.

Acts 1981, 67th Leg., p. 1330, ch. 388, Sec. 1, eff. Sept. 1, 1981. Amended by Acts 1983, 68th Leg., p. 1873, ch. 349, art. 2, Sec. 7, eff. Sept. 1, 1983.