1. Limitation on cost sharing to net price amount under Medicare part D (a) In general Section 1860D–2 of the Social Security Act ( 42 U.S.C. 1395w–102 ) is amended— (1) in subsection (b)— (A) in paragraph (2)(A), by striking (8) and (9) and inserting (8), (9), and (10) ; (B) in paragraph (9)(B)(ii), by striking For a plan year and inserting Subject to paragraph (10), for a plan year