Tex. Gov't Code § 2306.411
(a) In addition to other security for the department's bonds authorized by this chapter, payment of the principal and interest and redemption premium, if any, on the department's bonds may be secured by a first or subordinate lien on and pledge of all or part of:
(1) the department's assets and real, personal, or mixed property, including:
Added by Acts 1993, 73rd Leg., ch. 268, Sec. 1, eff. Sept. 1, 1993.
Amended by Acts 1997, 75th Leg., ch. 980, Sec. 44, eff. Sept. 1, 1997.