Okla. Stat. tit. 60, § 60-1603.1: Representation — Basic effect

A. Notice to a person who may represent and bind another person

under this article has the same effect as if notice were given

directly to the other person.

B. The consent of a person who may represent and bind another

person under this article is binding on the person represented

unless the person represented objects to the representation before

the consent would otherwise have become effective.

C. Except as otherwise provided in Section 29 of this act, a

person who under this article may represent a settlor who lacks

capacity may receive notice and give a binding consent on the

settlor's behalf.

D. A settlor may not represent and bind a beneficiary under

this article with respect to the termination or modification of a

trust under subsection A of Section 29 of this act.