Okla. Stat. tit. 60, § 301.12

The provisions of Section 161 of Title 60 of the Oklahoma Statutes and of the Oklahoma Trust Act, Sections 175.1 to 175.56, inclusive, of Title 60 of the Oklahoma Statutes which are in conflict with this act are not applicable to charitable trusts. Provided however, with the exception of such provisions that are in conflict, charitable organizations shall be subject to all other provisions of law, now existing and hereafter adopted or adjudicated, which affect fiduciary responsibilities.