Tex. Tax Code § 11.423
(a) If the chief appraiser denies a timely filed application for an exemption under Section 11.18 or 11.19 for an organization or association that otherwise qualified for the exemption on January 1 of the year but that did not satisfy the requirements of Section 11.18(f)(2) or 11.19(d)(5), as appropriate, on that date, the organization or association is eligible for the exemption for the tax year if the organization or association:
(1) satisfies the requirements of Section 11.18(f)(2) or 11.19(d)(5), as appropriate, before the later of:
(b) If the chief appraiser cancels an exemption for an organization or association under Section 11.18 or 11.19 that was erroneously allowed in a tax year because the chief appraiser determines that the organization or association did not satisfy the requirements of Section 11.18(f)(2) or 11.19(d)(5), as appropriate, on January 1 of that year, the organization or association is eligible for the exemption for that tax year if the organization or association:
Added by Acts 1997, 75th Leg., ch. 1039, Sec. 18, eff. Jan. 1, 1998;
Acts 1997, 75th Leg., ch. 1411, Sec. 6, eff. June 20, 1997.