; and (B) any other methods and assumptions, including a health care cost trend rate, that the Director of the Office determines to be appropriate. (7) (A) The Office shall provide to the United States Postal Service any data necessary for computations under this subsection. (B) Upon computing an amount or schedule under this subsection for a fiscal year, the United States Postal Service shall provide the data used for the computation to the Postal Regulatory Commission for review of the computation. (C) Not later than 30 days after receiving data from the United States Postal Service under subparagraph (B), the Postal Regulatory Commission, in consultation with the United States Postal Service, shall— (i) determine whether the amount or schedule was computed in accordance with this subsection; (ii) if the amount or schedule was computed in accordance with this subsection, submit to the Office a certification that the amount or schedule is the definitive amount or schedule for that fiscal year; and (iii) if the amount or schedule was not computed in accordance with this subsection, request that the Office recompute the amount or schedule. (D) (i) Not later than 30 days after receiving a request from the Postal Regulatory Commission under subparagraph (C)(iii), the Office shall recompute the amount or schedule. (ii) If the Office recomputes an amount or schedule under clause (i), the recomputed amount or schedule shall be the definitive amount or schedule for that fiscal year for purposes of this subsection. ; and (8) by adding at the end the following: (9) In this subsection, the term Postal Service actuarial liability means the difference between— (A) the net present value of future payments required to be paid from the Postal Service Retiree Health Benefits Fund under section 8906(g)(2)(A)(ii)(I) for current and future United States Postal Service annuitants