; and (7) the term service means service performed by an individual in a position that— (A) satisfies the requirements of section 8331(20) or 8401(17) of title 5, United States Code, as amended by section 2; or (B) would have satisfied the requirements of section 8331(20) or 8401(17) of title 5, United States Code, as amended by section 2, if the amendments made by section 2 had then been in effect. (b) Treatment of service performed by incumbents (1) Service on or after date of enactment Service performed by an incumbent on or after the date of enactment of this Act shall be treated as service performed as a law enforcement officer. (2) Service before date of enactment Service performed by an incumbent before the date of enactment of this Act shall, for purposes of subchapter III of chapter 83 and chapter 84 of title 5, United States Code, be treated as service performed as a law enforcement officer only if the incumbent submits a written election to the Director by the earlier of— (A) the date that is 5 years after the date of enactment of this Act; or (B) the day before the date on which the incumbent separates from the service. (c) Individual contributions for prior service (1) In general An incumbent who makes an election under subsection (b)(2) may, with respect to prior service performed by the incumbent, pay a deposit into the Fund equal to the sum of— (A) the difference between— (i) the amount that would have been deducted during the period of prior service under section 8334 or 8422 of title 5, United States Code, from the pay of the incumbent if the amendments made by section 2 had been in effect during the prior service; and (ii) the amount that was deducted during the period of prior service under section 8334 or 8422 of title 5, United States Code; and (B) interest on the amount described in subparagraph (A)(i), as computed under— (i) paragraphs (2) and (3) of section 8334(e) of title 5, United States Code