Tex. Gov't Code § 3100.058
(a) If the state flag is displayed with another flag, other than the flag of the United States, against a wall on crossed flagstaffs, the state flag should:
(b) If the state flag and the flag of the United States are displayed against a wall on crossed flagstaffs, the state flag should:
Added by Acts 2001, 77th Leg., ch. 1420, Sec. 7.001, eff. Sept. 1, 2001.