Tex. Gov't Code § 54A.215
(a) Unless a party files a written request for a de novo hearing before the referring court, the referring court may:
(b) The judge of the referring court shall sign a proposed order or judgment the court adopts as provided by Subsection (a)(1) not later than the 30th day after the date the associate judge signed the order or judgment.
Transferred, redesignated and amended from Government Code, Subchapter G, Chapter 54 by Acts 2011, 82nd Leg., 1st C.S., Ch. 3 (H.B. 79), Sec. 6.02, eff. January 1, 2012.