Tex. Health & Safety Code § 693.003
If a person listed in Section 692A.009 cannot be identified and contacted within four hours after death is pronounced and the county court determines that no reasonable likelihood exists that a person can be identified and contacted during the four-hour period, the county court may permit the removal of a nonvisceral organ or tissue.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Acts 2009, 81st Leg., R.S., Ch. 186 (H.B. 2027), Sec. 6, eff. September 1, 2009.