Monthly beneficiary premium

(A) In general The monthly beneficiary premium for a prescription drug plan is the base beneficiary premium computed under paragraph (2) or (8) (as applicable) as adjusted under this paragraph.

(B) Adjustment to reflect difference between bid and national average bid (i) Above average bid If for a month the amount of the standardized bid amount (as defined in paragraph (5)) exceeds the amount of the adjusted national average monthly bid amount (as defined in clause (iii)), the base beneficiary premium for the month shall be increased by the amount of such excess. (ii) Below average bid If for a month the amount of the adjusted national average monthly bid amount for the month exceeds the standardized bid amount, the base beneficiary premium for the month shall be decreased by the amount of such excess. (iii) Adjusted national average monthly bid amount defined For purposes of this subparagraph, the term “adjusted national average monthly bid amount” means the national average monthly bid amount computed under paragraph (4), as adjusted under section 1395w–115(c)(2) of this title .

(C) Increase for supplemental prescription drug benefits The base beneficiary premium shall be increased by the portion of the PDP approved bid that is attributable to supplemental prescription drug benefits.

(D) Increase for late enrollment penalty The base beneficiary premium shall be increased by the amount of any late enrollment penalty under subsection (b).

(E) Decrease for low-income assistance The monthly beneficiary premium is subject to decrease in the case of a subsidy eligible individual under section 1395w–114 of this title .

(F) Increase based on income The monthly beneficiary premium shall be increased pursuant to paragraph (7).

(G) Uniform premium Except as provided in subparagraphs (D), (E), and (F), the monthly beneficiary premium for a prescription drug plan in a PDP region is the same for all part D eligible individuals enrolled in the plan.

Subject to paragraph (8), the base beneficiary premium under this paragraph for a prescription drug plan for a month is equal to the product 1 1 So in original. The word “of” probably should appear after “product”. —

(A) the beneficiary premium percentage (as specified in paragraph (3)); and

(B) the national average monthly bid amount (computed under paragraph (4)) for the month.

For purposes of this subsection, the beneficiary premium percentage for any year is the percentage equal to a fraction—

(A) the numerator of which is 25.5 percent (or, for 2030 and each subsequent year, the percent specified under paragraph (9)); and

(B) the denominator of which is 100 percent minus a percentage equal to— (i) the total reinsurance payments which the Secretary estimates are payable under section 1395w–115(b) of this title with respect to the coverage year; divided by (ii) the sum of— (I) the amount estimated under clause (i) for the year; and (II) the total payments which the Secretary estimates will be paid to prescription drug plans and MA–PD plans that are attributable to the standardized bid amount during the year, taking into account amounts paid by the Secretary and enrollees.

(A) In general For each year (beginning with 2006) the Secretary shall compute a national average monthly bid amount equal to the average of the standardized bid amounts (as defined in paragraph (5)) for each prescription drug plan and for each MA–PD plan described in section 1395w–21(a)(2)(A)(i) of this title . Such average does not take into account the bids submitted for MSA plans, MA private fee-for-service plan, and specialized MA plans for special needs individuals, PACE programs under section 1395eee of this title (pursuant to section 1395w–131(f) of this title ), and under reasonable cost reimbursement contracts under section 1395mm(h) of this title (pursuant to section 1395w–131(e) of this title ).

(B) Weighted average (i) In general The monthly national average monthly bid amount computed under subparagraph (A) for a year shall be a weighted average, with the weight for each plan being equal to the average number of part D eligible individuals enrolled in such plan in the reference month (as defined in section 1395w–27a(f)(4) of this title ). (ii) Special rule for 2006 For purposes of applying this paragraph for 2006, the Secretary shall establish procedures for determining the weighted average under clause (i) for 2005.

For purposes of this subsection, the term “standardized bid amount” means the following:

(A) Prescription drug plans (i) Basic coverage In the case of a prescription drug plan that provides basic prescription drug coverage, the PDP approved bid (as defined in paragraph (6)). (ii) Supplemental coverage In the case of a prescription drug plan that provides supplemental prescription drug coverage, the portion of the PDP approved bid that is attributable to basic prescription drug coverage.

(B) MA–PD plans In the case of an MA–PD plan, the portion of the accepted bid amount that is attributable to basic prescription drug coverage.

(A) In general In the case of an individual whose modified adjusted gross income exceeds the threshold amount applicable under paragraph (2) of section 1395r(i) of this title (including application of paragraph (5) of such section) for the calendar year, the monthly amount of the beneficiary premium applicable under this section for a month after December 2010 shall be increased by the monthly adjustment amount specified in subparagraph (B).

(B) Monthly adjustment amount The monthly adjustment amount specified in this subparagraph for an individual for a month in a year is equal to the product of— (i) the quotient obtained by dividing— (I) the applicable percentage determined under paragraph (3)(C) of section 1395r(i) of this title (including application of paragraph (5) of such section) for the individual for the calendar year reduced by 25.5 percent (or, for 2030 and each subsequent year, the percent specified under paragraph (9)); by (II) 25.5 percent (or, for 2030 and each subsequent year, the percent specified under paragraph (9)); and (ii) the base beneficiary premium (as computed under paragraph (2) or (8) (as applicable)).

(C) Modified adjusted gross income For purposes of this paragraph, the term “modified adjusted gross income” has the meaning given such term in subparagraph (A) of section 1395r(i)(4) of this title , determined for the taxable year applicable under subparagraphs (B) and (C) of such section.

(D) Determination by Commissioner of Social Security The Commissioner of Social Security shall make any determination necessary to carry out the income-related increase in the base beneficiary premium under this paragraph.

(E) Procedures to assure correct income-related increase in base beneficiary premium (i) Disclosure of base beneficiary premium Not later than September 15 of each year beginning with 2010, the Secretary shall disclose to the Commissioner of Social Security the amount of the base beneficiary premium (as computed under paragraph (2) or (8) (as applicable)) for the purpose of carrying out the income-related increase in the base beneficiary premium under this paragraph with respect to the following year. (ii) Additional disclosure Not later than October 15 of each year beginning with 2010, the Secretary shall disclose to the Commissioner of Social Security the following information for the purpose of carrying out the income-related increase in the base beneficiary premium under this paragraph with respect to the following year: (I) The modified adjusted gross income threshold applicable under paragraph (2) of section 1395r(i) of this title (including application of paragraph (5) of such section). (II) The applicable percentage determined under paragraph (3)(C) of section 1395r(i) of this title (including application of paragraph (5) of such section). (III) The monthly adjustment amount specified in subparagraph (B). (IV) Any other information the Commissioner of Social Security determines necessary to carry out the income-related increase in the base beneficiary premium under this paragraph.

(F) Rule of construction The formula used to determine the monthly adjustment amount specified under subparagraph (B) shall only be used for the purpose of determining such monthly adjustment amount under such subparagraph.

(A) In general The base beneficiary premium under this paragraph for a prescription drug plan for a month in 2024 through 2029 shall be computed as follows: (i) 2024 The base beneficiary premium for a month in 2024 shall be equal to the lesser of— (I) the base beneficiary premium computed under paragraph (2) for a month in 2023 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2024 that would have applied if this paragraph had not been enacted. (ii) 2025 The base beneficiary premium for a month in 2025 shall be equal to the lesser of— (I) the base beneficiary premium computed under clause (i) for a month in 2024 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2025 that would have applied if this paragraph had not been enacted. (iii) 2026 The base beneficiary premium for a month in 2026 shall be equal to the lesser of— (I) the base beneficiary premium computed under clause (ii) for a month in 2025 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2026 that would have applied if this paragraph had not been enacted. (iv) 2027 The base beneficiary premium for a month in 2027 shall be equal to the lesser of— (I) the base beneficiary premium computed under clause (iii) for a month in 2026 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2027 that would have applied if this paragraph had not been enacted. (v) 2028 The base beneficiary premium for a month in 2028 shall be equal to the lesser of— (I) the base beneficiary premium computed under clause (iv) for a month in 2027 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2028 that would have applied if this paragraph had not been enacted. (vi) 2029 The base beneficiary premium for a month in 2029 shall be equal to the lesser of— (I) the base beneficiary premium computed under clause (v) for a month in 2028 increased by 6 percent; or (II) the base beneficiary premium computed under paragraph (2) for a month in 2029 that would have applied if this paragraph had not been enacted.

(B) Clarification regarding 2030 and subsequent years The base beneficiary premium for a month in 2030 or a subsequent year shall be computed under paragraph (2) without regard to this paragraph.

(A) In general Subject to subparagraph (B), for purposes of paragraph (3)(A), the percent specified under this paragraph for 2030 and each subsequent year is the percent that the Secretary determines is necessary to ensure that the base beneficiary premium computed under paragraph (2) for a month in 2030 is equal to the lesser of— (i) the base beneficiary premium computed under paragraph (8)(A)(vi) for a month in 2029 increased by 6 percent; or (ii) the base beneficiary premium computed under paragraph (2) for a month in 2030 that would have applied if this paragraph had not been enacted.

(B) Floor The percent specified under subparagraph (A) may not be less than 20 percent.