40 Tex. Admin. Code § 819.155
If any rule of the commission or portion thereof is adjudged by a court to be invalid or if any rule of the commission, or portion thereof, is not in conformity with applicable state laws or administrative regulations of the state, that judgment does not affect the remainder of the rules.
Source Note:The provisions of this §819.155 adopted to be effective April 13, 1990, 15 TexReg 1842; transferred effective March 1, 2004, as published in the Texas Register April 9, 2004, 29 TexReg 3653.