Tex. Labor Code § 410.006: REPRESENTATION AT ADMINISTRATIVE PROCEEDINGS.

(a) A claimant may be represented at a benefit review conference, a contested case hearing, or arbitration by an attorney or may be assisted by an individual of the claimant's choice who does not work for an attorney or receive a fee. An employee of an attorney may represent a claimant if that employee:

(1) is a relative of the claimant; and

(2) does not receive a fee.

(b) An insurance carrier may be represented by an attorney or adjuster.

Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.