Okla. Stat. tit. 36, § 36-2505: Valuation of outstanding policies; computation

Each and every company incorporated transacting business under

the provisions of this article shall annually make valuations of all

outstanding policies of life insurance as of December 31st of each

year, computed upon a calculation which shall show a value not less

than that shown in accordance with the one-year preliminary term

method, based upon the American Experience Table of Mortality and

three and one-half percent (3 1/2%) per annum, assuming an average

risk exposure of six (6) months on all new policies issued within

each calendar year.