Okla. Stat. tit. 36, § 36-4022: Reinstatement of annuities

In an annuity or pure endowment contract, other than a

reversionary, survivorship, or group annuity, there shall be a

provision that the contract may be reinstated at any time within one

(1) year from the default in making stipulated payments to the

insurer, unless the cash surrender value has been paid, but all

overdue stipulated payments and any indebtedness to the insurer on

the contract shall be paid or reinstated with interest thereon at a

rate to be specified in the contract but not exceeding six percent

(6%) per annum payable annually, and in cases where applicable the

insurer may also include a requirement of evidence of insurability

satisfactory to the insurer.