Okla. Stat. tit. 6, § 6-1015: Banks authorized to engage in trust business - Powers -

Restrictions.

Any bank now or hereafter authorized to engage in the trust

business and exercise trust powers shall have and enjoy all the

powers granted in this article, save those granted in paragraph (20)

of subsection A of Section 1001, and they, their directors, officers

and employees shall be subject to all the terms and provisions of

this article.