Tex. Estates Code § 752.109

The language conferring authority with respect to estate, trust, and other beneficiary transactions in a statutory durable power of attorney empowers the agent to act for the principal in all matters that affect a trust, probate estate, guardianship, conservatorship, life estate, escrow, custodianship, or other fund from which the principal is, may become, or claims to be entitled, as a beneficiary, to a share or payment, including to:

(1) accept, reject, disclaim, receive, receipt for, sell, assign, release, pledge, exchange, or consent to a reduction in or modification of a share in or payment from the fund;

(2) demand or obtain by litigation, action, or otherwise money or any other thing of value to which the principal is, may become, or claims to be entitled because of the fund;

(3) initiate, participate in, or oppose a legal or judicial proceeding to:

(A) ascertain the meaning, validity, or effect of a deed, will, declaration of trust, or other instrument or transaction affecting the interest of the principal; or

(B) remove, substitute, or surcharge a fiduciary;

(4) conserve, invest, disburse, or use anything received for an authorized purpose; and

(5) transfer all or part of the principal's interest in real property, stocks, bonds, accounts with financial institutions, insurance, and other property to the trustee of a revocable trust created by the principal as settlor.