Okla. Stat. tit. 36, § 36-4030.9: Maturity dates

For the purpose of determining the benefits calculated under

Sections 4030.7 and 4030.8 of this title for annuity contracts

issued on or after November 1, 2013, the maturity date shall be

deemed to be the latest date for which election shall be permitted

by the contract, but shall not be deemed to be later than the

anniversary of the contract next following the annuitant's

seventieth birthday or the tenth anniversary of the contract,

whichever is later. However, if surrender charge scales are

measured from the date of each premium payment, the maturity date

shall be deemed to be the latest date for which election shall be

permitted by the contract, but shall not be deemed to be later than

the anniversary of the contract next following the annuitant's

seventieth birthday or the tenth anniversary of the payment,

whichever is later.