Tennessee Code Title 56. Insurance § 56-7-911

(A)(i) If ages are available, the net single premiums for the remaining benefits, calculated by a seriatim method using the 1980 commissioner's standard extended term table and interest of not more than three and one half percent (3.5%). Insurers using this standard may accumulate an additional reserve to assure adequacy of funds for refunds and excess claims on terminated group policies or agency agreements. Approximate methods of calculating this reserve liability may be approved by the commissioner; provided, that:

(ii) Approval of the methods shall be obtained from the commissioner prior to their use and the annual verification of assumptions shall be filed with the commissioner; or

(A)(i) If ages are available, an insurer may calculate the net single premium for the remaining benefits by a seriatim method using the 2001 Commissioner's Standard Ordinary Male Composite Ultimate Mortality Table in lieu of the calculations under subdivision (1) for credit life insurance issued after December 31, 2004. The interest rates used in determining the minimum standard for valuation shall be the calendar year statutory valuation interest rates as defined in § 56-1-403(c)(1). Insurers using this standard may accumulate an additional reserve to assure adequacy of funds for refunds and excess claims on terminated group policies or agency agreements. Approximate methods of calculating this reserve liability may be approved by the commissioner; provided, that:

(ii) Approval of the methods shall be obtained from the commissioner prior to their use and the annual verification of assumptions shall be filed with the commissioner; or