34 Tex. Admin. Code § 67.33
Any pleading except notices of issues may be amended at any time until three (3) days prior to the hearing, provided that it does not act as a surprise to the opposite party. Any amendment to a pleading which operates as a surprise to any other party, may be granted only upon written motion showing good cause and that no harm will result.
Source Note:The provisions of this §67.33 adopted to be effective March 19, 1986, 11 TexReg 1149; amended to be effective January 10, 1999, 24 TexReg 165.