Tex. Est. Code § 1158.652
The guardian of the estate of a ward may purchase estate property in compliance with the terms of a written executory contract signed by the ward before the ward became incapacitated, including:
Added by Acts 2011, 82nd Leg., R.S., Ch. 823 (H.B. 2759), Sec. 1.02, eff. January 1, 2014.