Okla. Stat. tit. 60, § 301.11

Subject to Section 14 of this act, the provisions of this act shall apply to charitable trusts and fiduciary relationships of charitable organizations in existence at the time this act takes effect or thereafter established and to resolve the uncertainties surrounding the administration of charitable trusts by charitable organizations and the exercise of the fiduciary powers set forth in this act. Nothing in this act shall govern, control, or restrict the activities of a charitable organization when acting in a nonfiduciary capacity on behalf of any third party.