; and (II) the individual notify the Secretary within 60 days of any change in the insurance coverage of the individual. . (B) Conforming amendment Sections 1837, 1838, and 1839 of the Social Security Act ( 42 U.S.C. 1395p , 42 U.S.C. 1395q , 42 U.S.C. 1395r ) are each amended by striking 1836 and inserting 1836(a) each place it appears. (b) Enrollment for individuals only eligible for coverage of immunosuppressive drugs Section 1837 of the Social Security Act ( 42 U.S.C. 1395p ) is amended by adding at the end the following new subsection: (m) (1) Any individual who is eligible under section 1836(b) to enroll in the medical insurance program established under this part for purposes of coverage of immunosuppressive drugs may enroll only in such manner and form as may be prescribed by regulations, and only during an enrollment period described in this subsection. (2) An individual described in paragraph (1) whose entitlement for hospital insurance benefits under part A ends by reason of section 226A(b)(2) prior to January 1, 2022, may enroll beginning on the first day of the third month before the month in which the individual first satisfies section 1836(b). (3) An individual described in paragraph (1) whose entitlement for hospital insurance benefits under part A ends by reason of section 226A(b)(2) on or after January 1, 2022, shall be deemed to have enrolled in the medical insurance program established by this part for purposes of coverage of immunosuppressive drugs. (4) The Secretary shall establish a process under which an individual described in paragraph (1) whose other coverage described in section 1836(b)(2)(A), or coverage under this part (including the medical insurance program established under this part for purposes of coverage of immunosuppressive drugs) is terminated voluntarily or involuntary may enroll or reenroll, if applicable, in the medical insurance program established under this part for purposes of coverage of immunosuppressive drugs. . (c) Coverage period for individuals only eligible for