Okla. Stat. tit. 36, § 36-4107: Group annuity; entire contract

In group annuity contracts there shall be a provision specifying

the document or documents which shall constitute the entire contract

between parties. The document or documents so specified shall be

only (a) the contract, (b) the contract together with the

application of the holder of which a copy is attached thereto, or

(c) the contract together with the application of the holder of

which a copy is attached thereto, and the individual applications of

annuitants on file with the insurer and referred to therein.