Tex. Spec. Dist. Code § 9029.106
(a) A person who submits a written sealed bid on proposed construction work for the authority must submit with the bid an amount equal to at least five percent of the total amount of the bid in the form of a:
Added by Acts 2013, 83rd Leg., R.S., Ch. 112 (S.B. 1026), Sec. 1.06, eff. April 1, 2015.