Texas Government Code - GOV'T § 3100.055. Display on Flagpole or Flagstaff With Flag of United States

(1) the flags should be displayed on flagpoles or flagstaffs of the same height;

(2) the flags should be of approximately equal size;

(3) the flag of the United States should be, from the perspective of an observer, to the left of the state flag;

(4) the flag of the United States should be hoisted before the state flag is hoisted;  and

(5) the state flag should be lowered before the flag of the United States is lowered.