Tex. Transportation Code § 441.177: BONDHOLDER MANDAMUS.

A holder of a district bond is entitled, in addition to any other right or remedy provided by state law, to a writ of mandamus requiring the district and its officials to perform any obligation that:

(1) is provided by the order or resolution authorizing issuance of the bond; and

(2) the district fails to perform, including:

(A) defaulting in the payment of principal, interest, or redemption price on the bond when due; and

(B) failing to make payment into any fund created in the order or resolution.

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.