Okla. Stat. tit. 30, § 30-2-110: Investments authorized

A guardian legally holding funds or assets belonging to or for

the benefit of a minor may with the approval of the district court

or other court in which such estate is pending, invest such funds or

assets or any part thereof, in single premium life, single premium

endowment, or single premium annuity contracts of legal reserve life

insurance companies as are duly licensed and qualified to transact

business within this state.