Tex. Natural Resources Code § 81.052: RULES.

The commission may adopt all necessary rules for governing and regulating persons and their operations under the jurisdiction of the commission as set forth in Section 81.051, including such rules as the commission may consider necessary and appropriate to implement state responsibility under any federal law or rules governing such persons and their operations.

Acts 1977, 65th Leg., p. 2510, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977. Amended by Acts 1979, 66th Leg., p. 19, ch. 12, Sec. 1, eff. March 15, 1979.