16 Tex. Admin. Code § 1.123
No stipulation or agreement shall be considered unless it is in writing and signed by the parties or their authorized representatives, or dictated into the record during the course of the proceeding. This section does not limit a party's ability to waive or modify by stipulation any right or privilege afforded by these rules, unless otherwise precluded by law.
Source Note:The provisions of this §1.123 adopted to be effective June 1, 1991, 16 TexReg 2289.