Okla. Admin. Code § 715:10-9-7
Following a divorce between an active or retired member and his or her spouse whom the member had designated as a beneficiary, the former spouse shall be treated as having predeceased the member for purposes of the death benefit payment and/or a return of contributions from the deceased member's Teachers' Retirement System account, unless the member has renamed the former spouse as a designated beneficiary. (Note: The beneficiary designation is voided by this section and 15 O.S.§178, only if the member's designation of beneficiary was signed and dated after November 1, 1987).
Added at 17 Ok Reg 204, eff 9-8-99 (emergency)
Added at 17 Ok Reg 3071, eff 7-13-00
Amended at 23 Ok Reg 3073, eff 7-27-06