34 Tex. Admin. Code § 67.31
Any motion relating to a pending proceeding, unless made during a hearing, shall be written and shall set forth the relief sought and the specific reasons and grounds for relief. If based upon matters which do not appear of record, it shall be supported by certified copies of documents relied upon, documents properly authenticated, or, in the case of testimony, sworn affidavits. With the exception of motions for continuance (see §67.47 of this title (relating to Postponements or Continuances)), any motion filed in a proceeding must be filed and served not less than three (3) days before the date of the hearing.
Source Note:The provisions of this §67.31 adopted to be effective March 19, 1986, 11 TexReg 1149; amended to be effective January 10, 1999, 24 TexReg 165.