Tex. Est. Code § 751.0024
The meaning and effect of a durable power of attorney is determined by the law of the jurisdiction indicated in the durable power of attorney and, in the absence of an indication of jurisdiction, by:
Added by Acts 2017, 85th Leg., R.S., Ch. 834 (H.B. 1974), Sec. 2, eff. September 1, 2017.