; 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; and (ii) regulations promulgated by the Director. (2) Contributions to be made ratably Government contributions under this subsection on behalf of an incumbent shall be made by the agency ratably (not less frequently than annually) over the 10-year period beginning on the date described in subsection (a)(5). (e) Exemption from mandatory separation Notwithstanding section 8335(b) or 8425(b) of title 5, United States Code, a law enforcement officer shall not be subject to mandatory separation during the 3-year period beginning on the date of enactment of this Act. (f) Regulations The Director shall prescribe regulations to carry out this Act, including regulations for the application of this section in the case of any individual entitled to a survivor annuity (based on the service of an incumbent who dies before making an election under subsection (b)(2)), to the extent of any rights that would have been available to the decedent if still living. (g) Rule of construction Nothing in this section shall be considered to apply in the case of a reemployed annuitant.