Okla. Stat. tit. 60, § 60-175.42: Designation of person to whom property shall belong on

failure or termination of trust - Transfer subject to trust.

Notwithstanding anything contained in the last section, the

trustor of a trust may, in its creation, prescribe to whom the real

or personal property to which the trust relates shall belong, in the

event of the failure or termination of the trust, and may transfer

or devise such property, subject to the execution of the trust.