Okla. Admin. Code § 590:10-1-23
An employee of the board of trustees for the Quartz Mountain Arts and Conference Center who is transferred to the Oklahoma Tourism and Recreation Department pursuant to 74 O.S. Section 2229.1B who is a member of the Oklahoma Teachers Retirement System or the Oklahoma Law Enforcement Retirement system may elect to remain a member of the applicable system or may elect to participate in the OPERS Defined Benefit Plan or the OPERS Defined Contribution System, whichever is applicable under the laws and rules governing those systems. The election to participate in the Oklahoma Teachers Retirement System, the Oklahoma Law Enforcement Retirement System or the OPERS-administered systems shall be made with the applicable system not later than November 1, 2020. If no election is made, the employee shall become a member of the OPERS Defined Benefit Plan or the OPERS Defined Contribution System, whichever is applicable.
Okla. Admin. Code § 590:10-1-23