Tex. Water Code § 17.003

(a) Bonds may not be issued under this chapter after January 1, 1988, and proceeds of bonds issued after January 1, 1988, may not be used to finance a project unless the issuance or project, as applicable, has been reviewed and approved by the bond review board.

(b) A member of the bond review board may not be held liable for damages resulting from the performance of the members' functions under this chapter.

(c) Water financial assistance bonds that have been authorized but have not been issued are not considered to be state debt payable from the general revenue fund for purposes of Section 49-j, Article III, Texas Constitution, until the legislature makes an appropriation from the general revenue fund to the board to pay the debt service on the bonds.

(d) In requesting approval for the issuance of bonds under this chapter, the executive administrator shall certify to the bond review board whether the bonds are reasonably expected to be paid from:

(1) the general revenues of the state; or

(2) revenue sources other than the general revenues of the state.

(e) The bond review board shall verify whether debt service on bonds to be issued by the board under this chapter is state debt payable from the general revenues of the state, in accordance with the findings made by the board in the resolution authorizing the issuance of the bonds and the certification provided by the executive administrator under Subsection (d).

(f) Bonds issued under this chapter that are designed to be paid from the general revenues of the state shall cease to be considered bonds payable from those revenues if:

(1) the bonds are backed by insurance or another form of guarantee that ensures payment from a source other than the general revenues of the state; or

(2) the board demonstrates to the satisfaction of the bond review board that the bonds no longer require payment from the general revenues of the state and the bond review board so certifies to the Legislative Budget Board.