Texas Government Code - GOV'T § 3100.065. Display at Half-Staff

(a) If the state flag is to be displayed at half-staff, the flag should be hoisted to the peak of the flagpole for an instant and then lowered to the half-staff position.

(b) Before the state flag is lowered for the day, it should first be raised to the peak of the flagpole.

(c) On Memorial Day, the state flag should be displayed at half-staff until noon and at that time raised to the peak of the flagpole.

(d) The state flag should be displayed at half-staff on Peace Officers Memorial Day, May 15, unless that date is also Armed Forces Day.

(e) By order of the governor, the state flag shall be displayed at half-staff on a person's death as a mark of respect to the memory of that person.