the Patient Protection and Affordable Care Act (and the amendments made by that title) and title XXVII of the Public Health Service Act ( 42 U.S.C. 300gg et seq. ) that are applicable to qualified health plans offered through the Exchanges, subject to the limitation under subsection (e)(2). (3) Offering through exchanges The Medicare Transition buy-in shall be made available only through the Exchanges, and shall be available to individuals wishing to enroll and to qualified employers (as defined in section 1312(f)(2) of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18032 )) who wish to make such plan available to their employees. (4) Eligibility to purchase Any United States resident may enroll in the Medicare Transition buy-in. (c) Benefits