Tex. Transportation Code § 54.154: TERMS OF ISSUANCE OF REVENUE REFUNDING OBLIGATIONS.

(a) Revenue refunding obligations may:

(1) be combined with new or original revenue obligations into one series or issue;

(2) be issued to refund obligations of more than one series or issue;

(3) combine the pledges securing the obligations to be refunded to secure the revenue refunding obligations; or

(4) be secured by a pledge of other or additional net revenue.

(b) A revenue refunding obligation may bear interest at a rate higher than that of the obligation to be refunded.

Added by Acts 1999, 76th Leg., ch. 227, Sec. 20, eff. Sept. 1, 1999.