Texas Natural Resources Code - NAT RES § 53.112. Approval of Certain Agreements by School Land Board

(a) An agreement must be approved by the board and executed by the commissioner to be effective if the agreement commits:

(b) An owner of the soil who is subject to Subchapter C of this chapter   1 may grant to a lessee prior authority to pool or unitize the interest of the owner in a lease executed under that subchapter.  For the agreement to bind the interest of an owner of the soil who is subject to Subchapter C of this chapter and who has not granted the lessee prior authorization to pool or unitize the interest of the owner in a sulphur lease executed under that subchapter, the agreement must be executed by the owner of the soil.