In any circumstance involving an overpayment to any person or entity, to recover judgments or settlements relating to OPERS, or concerning a fraudulent or improper payment, OPERS has the right to utilize any monies available as an offset to recover the overpayment, judgment, settlement or improper payment. This right of offset and recovery has priority over any other claim to said monies, including, but not limited to, the right of any survivor or beneficiary. This right of offset and recovery may be utilized in any plan or account managed or administered by the Board.
Okla. Admin. Code § 590:10-1-17