Tex. Est. Code § 1160.201
As to any mineral lease or pooling or unitization agreement, executed on behalf of an estate before September 1, 1993, pursuant to provisions, or executed by a former owner of land, minerals, or royalty affected by the lease or agreement, the guardian of the estate being administered, without further court order and without consideration, may execute:
Added by Acts 2011, 82nd Leg., R.S., Ch. 823 (H.B. 2759), Sec. 1.02, eff. January 1, 2014.