114 STAT. 1654A-182 PUBLIC LAW 106-398 —APPENDIX members on full-time National Guard duty other than for training) who are not otherwise described by subparagraph (A). Such single level dollar amounts shall be used for the purposes of subsection (b) and section 1116(a) of this title. "(2) If at the time of any such valuation there has been a change in benefits under the Department of Defense retiree health care programs for medicare-eligible beneficiaries that has been made since the last such valuation and such change in benefits increases or decreases the present value of amounts payable from the Fund, the Secretary of Defense shall determine an amortization methodology and schedule for the amortization of the cumulative unfunded liability (or actuarial gain to the Fund) created by such change and any previous such changes so that the present value of the sum of the amortization payments (or reductions in payments that would otherwise be made) equals the cumulative increase (or decrease) in the present value of such amounts. "(3) If at the time of any such valuation the Secretary of Defense determines that, based upon changes in actuarial assumptions since the last valuation, there has been an actuarial gain or loss to the Fund, the Secretary shall determine an amortization methodology and schedule for the amortization of the cumulative gain or loss to the Fund created by such change in assumptions and any previous such changes in assumptions through an increase or decrease in the payments that would otherwise be made to the Fund. "(4) If at the time of any such valuation the Secretary of Defense determines that, based upon the Fund's actuarial experience (other than resulting from changes in benefits or actuarial assumptions) since the last valuation, there has been an actuarial gain or loss to the Fund, the Secretary shall determine an amortization methodology and schedule for the amortization of the cumulative gain or loss to the Fund created by such actuarial experience and any previous actuarial experience through an increase or decrease in the payments that would otherwise be made to the Fund. "(5) Contributions to the Fund in accordance with amortization schedules under paragraphs (2), (3), and (4) shall be made as provided in section 1116(b) of this title. "(d) All determinations under this section shall be made using methods and assumptions approved by the Board of Actuaries (including assumptions of interest rates and medical inflation) and in accordance with generally accepted actuarial principles and practices. "(e) The Secretary of Defense shall provide for the keeping of such records as are necessary for determining the actuarial status of the Fund. "§1116. Payments into the Fund "(a) The Secretary of Defense shall pay into the Fund at the end of each month as the Department of Defense contribution to the Fund for that month the amount that is the sum of the following: "(1) The product of— "(A) the monthly dollar amount determined using all the methods and assumptions approved for the most recent (as of the first day of the current fiscal year) actuarial valuation under section 1115(c)(1)(A) of this title (except
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