; 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; and (ii) regulations promulgated by the Director. (2) Effect of not contributing If an incumbent does not pay the full amount of the deposit described in paragraph (1), all prior service of the incumbent— (A) shall remain fully creditable as a law enforcement officer; and (B) the resulting annuity shall be reduced— (i) in a manner similar to that described in section 8334(d)(2) of title 5, United States Code; and (ii) to the extent necessary to make up the amount unpaid. (d) Government contributions for prior service (1) In general If an incumbent makes an election under subsection (b)(2), an agency that employed the incumbent during any prior service of the incumbent shall remit to the Director, for deposit in the Fund, an amount equal to the sum of— (A) the difference between— (i) the total amount of Government contributions that would have been paid under section 8334 or 8423 of title 5, United States Code, if the amendments made by section 2 had been in effect during the prior service; and (ii) the total amount of Government contributions paid under section 8334 or 8423 of title 5, United States Code; and (B) interest on the amount described in subparagraph (A)(i), as computed in accordance with— (i) paragraphs (2) and (3) of section 8334(e) of title 5, United States Code