(a) A property owner who prevails in an appeal to the court under Section 42.25 or 42.26, in an appeal to the court of a determination of an appraisal review board on a motion filed under Section 25.25, or in an appeal to the court of a determination of an appraisal review board of a protest of the denial in whole or in part of an exemption under Section 11.17, 11.22, 11.23, 11.231, or 11.24 may be awarded reasonable attorney's fees. The amount of the award may not exceed the greater of:
(1) $15,000; or
(2) 20 percent of the total amount by which the property owner's tax liability is reduced as a result of the appeal.
(b) Notwithstanding Subsection (a), the amount of an award of attorney's fees may not exceed the lesser of:
(1) $100,000; or
(2) the total amount by which the property owner's tax liability is reduced as a result of the appeal.
Official text of the Texas Tax Code as published by the Texas Legislative Council.