; and (2) in paragraph (2)— (A) in subparagraph (A)— (i) in clause (i), as added by paragraph (1), by striking shall through September 30, 2016, be paid and all that follows and inserting the following: shall be paid as provided in clause (ii). ; and (ii) by adding at the end the following: (ii) With respect to the Government contributions required to be paid under clause (i)— (I) the portion of the contributions that is equal to the amount of the net claims costs under the enrollment of the individuals described in clause (i) shall be paid from the Postal Service Retiree Health Benefits Fund up to the amount contained in the Fund; and (II) any remaining amount shall be paid by the United States Postal Service. ; and (B) by adding at the end the following: (C) For purposes of this paragraph, the amount of the net claims costs under the enrollment of an individual described in subparagraph (A)(i) shall be the amount, as determined by the Office over any particular period of time, equal to the difference between— (i) the sum of— (I) the costs incurred by a carrier in providing health services to, paying for health services provided to, or reimbursing expenses for health services provided to, the individual and any other person covered under the enrollment of the individual; and (II) an amount of indirect expenses reasonably allocable to the provision, payment, or reimbursement described in subclause (I), as determined by the Office; and (ii) the amount withheld from the annuity of the individual or otherwise paid by the individual under this section. (D) Any computation by the Office under this section that relates to an individual described in subparagraph (A)(i) of this paragraph shall be made in consultation with the United States Postal Service. . (b) Postal Service Retiree Health Benefits Fund Section 8909a(d) of title 5, United States Code, is amended— (1) in paragraph (1)— (A) by striking Office and inserting United States Postal Service