Tex. Tax Code § 5.16
(a) The comptroller may inspect the records or other materials of an appraisal office or taxing unit, including the relevant records and materials in the possession or control of a consultant, advisor, or expert hired by the appraisal office or taxing unit, for the purpose of:
Added by Acts 1991, 72nd Leg., 2nd C.S., ch. 6, Sec. 7, eff. Sept. 1, 1991.
Amended by Acts 1997, 75th Leg., ch. 1040, Sec. 66, eff. Sept. 1, 1997.