; and (2) by adding at the end the following: (e) Subsections (a) through (d) of this section shall be subject to the requirements of section 8903c. . (c) Cancellation of certain unpaid obligations of the Postal Service Any obligation of the Postal Service under section 8909a(d)(3)(A) of title 5, United States Code, as in effect on the day before the date of enactment of this Act, that remains unpaid as of such date of enactment is canceled. (d) Technical and conforming amendment The heading of section 8909a of title 5, United States Code, is amended by striking Benefit and inserting Benefits . 103. Postal Service pension funding reform (a) Civil Service Retirement System Section 8348(h) of title 5, United States Code, is amended— (1) in paragraph (2), by striking subparagraphs (B) and (C) and inserting the following: (B) The Office shall redetermine the postal surplus or supplemental liability as of the close of the fiscal year, for each fiscal year beginning after September 30, 2016. Subject to subparagraph (C), beginning June 15, 2019, if the result is a surplus or a supplemental liability the Office shall establish an amortization schedule, including a series of annual installments commencing on September 30 of the subsequent fiscal year, which provides for the liquidation of such surplus or liability to the Postal Service or the Fund (as the case may be) by September 30, 2043. (C) No later than June 30, 2033, the Office shall determine, and thereafter redetermine as necessary, but not more frequently than once per year, the appropriate date to complete the liquidation of any remaining surplus or liability determined under this paragraph. The determination under this subparagraph shall be set in accordance with generally accepted actuarial practices and principles and shall not be longer than a period of 15 years from the date on which the determination is made.