Tex. Gov't Code § 1207.061
(a) An issuer may, in lieu of making a deposit with the comptroller under Subchapter B, deposit an amount of money sufficient to provide for the payment or redemption of the obligations, including assumed obligations, to be refunded or to be paid or redeemed in whole or in part without issuing refunding bonds, directly with:
(3) a trust company or commercial bank other than one described by Subdivision (1) or (2) that:
Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.
Amended by Acts 2001, 77th Leg., ch. 769, Sec. 5, eff. Sept. 1, 2001.