Tex. Loc. Gov't Code § 374.907
An instrument executed by a municipality or by an urban renewal agency that purports to convey a right, title, or interest in property under this chapter is conclusively presumed to have been executed in compliance with this chapter as regards the title or other interest of a bona fide purchaser, lessee, or transferee of the property.
Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.