Okla. Stat. tit. 36, § 36-4108: Group annuity; misstatements

In group annuity contracts there shall be a provision, with an

appropriate reference thereto in the certificate, for the equitable

adjustment of the benefits payable under the contract or of the

stipulated payments thereunder, if it be found that the sex, age,

service, salary or any other fact determining the amount of any

stipulated payment or the amount or date or dates of payment of any

benefit with respect to any annuitant covered thereby has been

misstated.