; (2) by redesignating the subsection (z), relating to medical review of spinal subluxation services, as subsection (aa); and (3) by adding at the end the following new subsection: (bb) Application of OOP drug catastrophic limit If an individual covered under this part incurs out-of-pocket costs described in subsection (e) of section 1860D–14B for eligible Medicare drugs (as defined in subsection (g) of such section) furnished to such individual during a year that equals the OOP drug catastrophic limit specified in subsection (d) of such section for such year, subsection (a)(1)(S) shall be applied with respect to expenses incurred for eligible Medicare drugs described in subsection (g)(1)(B) of such section furnished to such individual during the remainder of the year as if the reference in such subsection (a)(1)(S) to 80 percent were a reference to 100 percent . . (c) Premium hold harmless (1) In general Section 1839(a)(1) of the Social Security Act ( 42 U.S.C. 1395r(a)(1) ) is amended by inserting , payments under section 1860D–14B, additional payments by reason of application of section 1833(bb), after section 1853(l)(3) . (2) Payment Section 1844(a) of the Social Security Act ( 42 U.S.C. 1395w(a) ) is amended— (A) in paragraph (3), by striking the period at the end and inserting ; plus ; and (B) by inserting after paragraph (3) the following new paragraph: (4) a Government contribution equal to the amount of catastrophic limit coverage subsidies payable under section 1860D–14B and additional payments by reason of application of section 1833(bb). . (d) Conforming amendments Section 1860D–2(b) of the Social Security Act— (1) in paragraph (2)(A), by inserting and section 1860D–14B after subparagraphs (C) and (D) ; (2) in paragraph (2)(C)(i), by inserting and subject to section 1860D–14B after paragraph(4) ; (3) in paragraph (2)(D)(i), by inserting and subject to section 1860D–14B after paragraph(4) ; (4) in paragraph (3)(A), by striking and (4) and inserting and (4) and subject to section 1860D–14B