; and (2) by striking shall be computed or recomputed and inserting shall, subject to paragraph (8), be computed or recomputed . (c) Effective date The amendments made by this section shall apply with respect to monthly insurance benefits payable on or after January 1, 2025. 3. Additional monthly payment for certain individuals whose benefit amount is reduced by the windfall elimination provision (a) In general Section 215(a) of such Act ( 42 U.S.C. 415(a) ), as amended by section 2(a), is further amended by adding at the end the following: (9) (A) For any month beginning at least 270 days after the date of the enactment of the Public Servants Protection and Fairness Act of 2023 , the Commissioner of Social Security shall, subject to subparagraphs (D) and (E), make an additional monthly payment to each individual who is an eligible individual for such month, in an amount equal to the amount determined under subparagraph (C) with respect to such eligible individual. (B) For purposes of this paragraph, the term eligible individual for a month means an individual (other than an individual described in paragraph (8)(E)) who— (i) first becomes eligible for an old-age or disability insurance benefit under this title before 2025