Tex. Natural Resources Code § 111.090: COMPLIANCE BY COMMON PURCHASERS.

The commission shall enforce compliance with this subchapter, Subchapters C, F, and G of this chapter, and Sections 111.004, 111.025, 111.131 through 111.133, 111.136, 111.137, and 111.140 of this code and after notice and hearing, may make rules and orders defining the distance that extensions or gathering lines shall be made to all oil or gas wells and other rules or orders that may be necessary to carry out those provisions cited in this section and to prevent discrimination.

Acts 1977, 65th Leg., p. 2584, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.