30 Tex. Admin. Code § 304.1
The provisions of this chapter are applicable to each water division created by the commission pursuant to the Texas Water Code, §11.325, outside of the Rio Grande Water Division, and to all water rights and matters related to water rights within each such water division. Water rights and matters inside the Rio Grande Water Division are governed by Chapter 303 of this title (relating to Operation of the Rio Grande). All other rules promulgated by the commission are also applicable to the water rights subject to this chapter unless in conflict with the provisions of this chapter, in which event the provisions of this chapter shall govern.
Source Note:The provisions of this §304.1 adopted to be effective August 5, 1988, 13 TexReg 3639.