Tex. Spec. Dist. Code § 3001.213
Not later than the 30th day after the date on which an assessment order is issued, the district shall file a notice of the assessment in the deed records of the county in which the property to be assessed is located. The notice must:
Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.