Tex. Tax Code § 1.06
An act is timely if:
(1) the last day for the performance of the act is:
Acts 1979, 66th Leg., p. 2220, ch. 841, Sec. 1, eff. Jan. 1, 1982.
Acts 2025, 89th Leg., R.S., Ch. 119 (H.B. 1392), Sec. 1, eff. January 1, 2026.