Tex. R. Civ. P. 796
As amended through August 27, 2024
The judge of the court may, either in term time or in vacation, at his own discretion, or on motion of either party to the action appoint a surveyor, who shall survey the premises in controversy pursuant to the order of the court, and report his action under oath to such court. If said report be not rejected for good cause shown, the same shall be admitted as evidence on the trial.
Tex. R. Civ. P. 796