; and (ii) shall be transferred to the Postal Service Fund. . 104. Medicare part B premium transition for newly enrolling Postal Service annuitants and family members (a) In general Section 1839 of the Social Security Act ( 42 U.S.C. 1395r ) is amended by adding at the end the following new subsection: (j) Transition for newly enrolling postal service annuitants and family members With respect to each individual who is enrolled under this part pursuant to and during the open enrollment period established under section 1837(m) and who is not eligible for Medicare cost-sharing described in section 1905(p)(3)(A)(ii) under a State plan under title XIX, the premium otherwise established under this part (taking into account any adjustments, including those under subsections (b) and (i)) for a month— (1) in the initial contract year (as defined in section 8903c(a) of title 5, United States Code), shall be reduced by 75 percent; (2) in the succeeding year, shall be reduced by 50 percent; and (3) in the second succeeding year, shall be reduced by 25 percent. . (b) Funding through Postal Service Fund Section 1844 of the Social Security Act ( 42 U.S.C. 1395w ) is amended— (1) in the last sentence of subsection (a), by striking under subsection (d)(1) with respect to enrollees described in subparagraphs (A) and (B) of such subsection and inserting under subsections (d)(1) and (d)(4) with respect to enrollees described in subparagraphs (A) and (B) of such respective subsection ; and (2) in subsection (d), by adding at the end the following new paragraph: (4) For each year, there shall be transferred from the Postal Service Fund to the Trust Fund an amount, as estimated by the Chief Actuary of the Centers for Medicare & Medicaid Services, equal to the reduction in aggregate premiums payable under this part for a month in such year that is attributable to the application of section 1839(j) with respect to— (A) enrollees age 65 and over