Page:United States Statutes at Large Volume 120.djvu/866

 PUBLIC LAW 109–280—AUG. 17, 2006

120 STAT. 835

a plan for any plan year, the interest rate used in determining the present value of the liabilities of the plan shall be— ‘‘(i) in the case of benefits reasonably determined to be payable during the 5-year period beginning on the first day of the plan year, the first segment rate with respect to the applicable month, ‘‘(ii) in the case of benefits reasonably determined to be payable during the 15-year period beginning at the end of the period described in clause (i), the second segment rate with respect to the applicable month, and ‘‘(iii) in the case of benefits reasonably determined to be payable after the period described in clause (ii), the third segment rate with respect to the applicable month. ‘‘(C) SEGMENT RATES.—For purposes of this paragraph— ‘‘(i) FIRST SEGMENT RATE.—The term ‘first segment rate’ means, with respect to any month, the single rate of interest which shall be determined by the Secretary for such month on the basis of the corporate bond yield curve for such month, taking into account only that portion of such yield curve which is based on bonds maturing during the 5-year period commencing with such month. ‘‘(ii) SECOND SEGMENT RATE.—The term ‘second segment rate’ means, with respect to any month, the single rate of interest which shall be determined by the Secretary for such month on the basis of the corporate bond yield curve for such month, taking into account only that portion of such yield curve which is based on bonds maturing during the 15-year period beginning at the end of the period described in clause (i). ‘‘(iii) THIRD SEGMENT RATE.—The term ‘third segment rate’ means, with respect to any month, the single rate of interest which shall be determined by the Secretary for such month on the basis of the corporate bond yield curve for such month, taking into account only that portion of such yield curve which is based on bonds maturing during periods beginning after the period described in clause (ii). ‘‘(D) CORPORATE BOND YIELD CURVE.—For purposes of this paragraph— ‘‘(i) IN GENERAL.—The term ‘corporate bond yield curve’ means, with respect to any month, a yield curve which is prescribed by the Secretary for such month and which reflects the average, for the 24-month period ending with the month preceding such month, of monthly yields on investment grade corporate bonds with varying maturities and that are in the top 3 quality levels available. ‘‘(ii) ELECTION TO USE YIELD CURVE.—Solely for purposes of determining the minimum required contribution under this section, the plan sponsor may,

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