Tex. Prop. Code § 141.021
The custodian shall transfer in an appropriate manner the custodial property to the minor or to the minor's estate on the earlier of the date:
Added by Acts 1995, 74th Leg., ch. 1043, Sec. 1, eff. Sept. 1, 1995. Renumbered from Property Code Sec. 21 by Acts 1997, 75th Leg., ch. 165, Sec. 31.01(72), eff. Sept. 1, 1997.