43 Tex. Admin. Code § 1.21
The sections in this subchapter describe the procedures to be followed in contested cases arising under Government Code, Chapter 2001, with the exception of contested cases arising under the Motor Vehicle Commission Code, Texas Civil Statutes, Article 4413(36), or under Transportation Code, Chapter 503, which are governed by 16 TAC Chapter 111. Except as provided in this subchapter, all contested cases shall be governed by the procedural rules of the State Office of Administrative Hearings.
Source Note:The provisions of this §1.21 adopted to be effective September 21, 2000, 25 TexReg 9228.