Tex. Civil Practice and Remedies Code § 101.108: AD VALOREM TAXES FOR PAYMENT OF JUDGMENT.

(a) A governmental unit not fully covered by liability insurance may levy an ad valorem tax for the payment of any final judgment under this chapter.

(b) If necessary to pay the amount of a judgment, the ad valorem tax rate may exceed any legal tax rate limit applicable to the governmental unit except a limit imposed by the constitution.

Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.