Premium rates

The corporation shall maintain separate schedules of premium rates, and bases for the application of those rates, for— Except as provided in subparagraph (C), the annual premium rate payable to the corporation by all plans for basic benefits guaranteed under this subchapter is— in the case of a single-employer plan other than a CSEC plan (as defined in section 1060(f)(1) of this title) an amount for each individual who is a participant in such plan during the plan year equal to the sum of the additional premium (if any) determined under subparagraph (E) and— in the case of a multiemployer plan, for the plan year within which the date of enactment of the Multiemployer Pension Plan Amendments Act of 1980 falls, an amount for each individual who is a participant in such plan for such plan year equal to the sum of— in the case of a multiemployer plan, for plan years beginning after September 26, 1980, and before January 1, 2006, an amount equal to— in the case of a CSEC plan (as defined in section 1060(f)(1) of this title), for plan years beginning after December 31, 2018, for each individual who is a participant in such plan during the plan year an amount equal to the sum of— If the sum of— Except as provided in subparagraph (I), the additional premium determined under this subparagraph with respect to any plan for any plan year— Except as provided in clause (v), for purposes of clause (ii), the term “unfunded vested benefits” means, for a plan year, the excess (if any) of— For purposes of clause (ii), in the case of a CSEC plan (as defined in section 1060(f)(1) of this title), the term “unfunded vested benefits” means, for plan years beginning after December 31, 2018, the excess (if any) of— For each plan year beginning in a calendar year after 2006 and before 2013, there shall be substituted for the premium rate specified in clause (i) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying the premium rate specified in clause (i) of subparagraph (A) by the ratio of— For each plan year beginning in a calendar year after 2019, there shall be substituted for the premium rate specified in clause (i) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying the premium rate specified in clause (i) of subparagraph (A) by the ratio of— For each plan year beginning in a calendar year after 2006, there shall be substituted for the premium rate specified in clause (iv) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying the premium rate specified in clause (iv) of subparagraph (A) by the ratio of— For each plan year beginning in a calendar year after 2013, there shall be substituted for the premium rate specified in clause (v) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying the premium rate specified in clause (v) of subparagraph (A) by the ratio of— For each plan year beginning in a calendar year after 2013 and before 2016, there shall be substituted for the dollar amount specified in subclause (II) of subparagraph (E)(i) an amount equal to the greater of— the product derived by multiplying such dollar amount by the ratio of— For each plan year beginning in a calendar year after 2016, there shall be substituted for the dollar amount specified in subclause (III) of subparagraph (E)(i) an amount equal to the greater of— the product derived by multiplying such dollar amount by the ratio of— For each plan year beginning in a calendar year after 2015, there shall be substituted for the dollar amount specified in clause (vi) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying such dollar amount by the ratio of— For each plan year beginning in a calendar year after 2031, there shall be substituted for the dollar amount specified in clause (viii) of subparagraph (A) an amount equal to the greater of— the product derived by multiplying such dollar amount by the ratio of— If the amount determined under this subparagraph is not a multiple of $1, such product shall be rounded to the nearest multiple of $1. In carrying out its authority under paragraph (1) to establish schedules of premium rates, and bases for the application of those rates, for nonbasic benefits guaranteed under sections 1322 and 1322a of this title the premium rates charged by the corporation for any period for nonbasic benefits guaranteed shall— The corporation may establish annual premiums for single-employer plans composed of the sum of— The corporation may establish annual premiums for single-employer plans based on— For purposes of subparagraph (A)— The term “applicable 12-month period” means— Notwithstanding section 1307 of this title— For purposes of paragraph (3)(E)(ii)— Except as provided in subparagraphs (B), (C), and (E), the applicable dollar amount shall be— For each plan year beginning in a calendar year after 2012 and before 2024, there shall be substituted for the applicable dollar amount specified under subparagraph (A) an amount equal to the greater of— the product derived by multiplying such applicable dollar amount for plan years beginning in that calendar year by the ratio of— The applicable dollar amount determined under subparagraph (A) (after the application of subparagraph (B)) shall be increased— For purposes of subparagraph (B), the base year is— Except as provided in subsection (a)(3), and subject to paragraph (2), the rate for all plans for basic benefits guaranteed under this subchapter with respect to plan years ending after September 2, 1974, is— in the case of each plan which was not a multiemployer plan in a plan year— The rate applicable under this subsection for the plan year preceding September 1, 1975, is the product of— a fraction—