Tex. Gov't Code § 552.308
(a) Except as provided by Section 552.3031, when this subchapter requires a request, notice, or other document to be submitted or otherwise given to a person within a specified period, the requirement is met in a timely fashion if the document is sent to the person by first class United States mail or common or contract carrier properly addressed with postage or handling charges prepaid and:
(b) Except as provided by Section 552.3031, when this subchapter requires an agency of this state to submit or otherwise give to the attorney general within a specified period a request, notice, or other writing, the requirement is met in a timely fashion if:
Added by Acts 1995, 74th Leg., ch. 1035, Sec. 23, eff. Sept. 1, 1995.
Amended by Acts 1999, 76th Leg., ch. 1319, Sec. 26, eff. Sept. 1, 1999;
Acts 2003, 78th Leg., ch. 909, Sec. 1, 2, eff. June 20, 2003.
Acts 2023, 88th Leg., R.S., Ch. 847 (H.B. 3033), Sec. 11, eff. September 1, 2023.