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.
Laws 1957, p. 325, § 2505.