(1) Each employing agency having any employees or Members subject to section
8422 (a) shall contribute to the Fund an amount equal to the sum of
(A) the product of
(i) the normal-cost percentage, as determined for employees (other than employees covered by subparagraph (B)), multiplied by
(ii) the aggregate amount of basic pay payable by the agency, for the period involved, to employees (under clause (i)) who are within such agency; and
(B) the product of
(i) the normal-cost percentage, as determined for Members, Congressional employees, law enforcement officers, members of the Supreme Court Police, firefighters, nuclear materials couriers, customs and border protection officers, air traffic controllers, military reserve technicians, and employees under sections 302 and 303 of the Central Intelligence Agency Retirement Act, multiplied by
(ii) the aggregate amount of basic pay payable by the agency, for the period involved, to employees and Members (under clause (i)) who are within such agency.
(2) In determining any normal-cost percentage to be applied under this subsection, amounts provided for under section
8422 shall be taken into account.
(3) Contributions under this subsection shall be paid
(A) in the case of law enforcement officers, members of the Supreme Court Police, firefighters, nuclear materials couriers, customs and border protection officers, air traffic controllers, military reserve technicians, and other employees, from the appropriation or fund used to pay such law enforcement officers, members of the Supreme Court Police, firefighters, nuclear materials couriers, customs and border protection officers, air traffic controllers, military reserve technicians, or other employees, respectively;
(B) in the case of elected officials, from an appropriation or fund available for payment of other salaries of the same office or establishment; and
(C) in the case of employees of the legislative branch paid by the Chief Administrative Officer of the House of Representatives, from the applicable accounts of the House of Representatives.