1 Tex. Admin. Code § 156.101
(c) Except as provided herein, any oral or written communication, other than a communication authorized under subsection (a) of this section, from the parties to an arbitrator shall be directed to the association that is conducting the arbitration or, if there is no association conducting the arbitration, to SOAH, for transmittal to the arbitrator. After the arbitrator has been appointed in a case, materials may be filed directly with the arbitrator, if:
Source Note:The provisions of this §156.101 adopted to be effective June 17, 2015, 40 TexReg 3627.