granted federally authorized presence in the United States other than as a nonimmigrant shall be considered to be lawfully present in the United States. (b) Provisions described The provisions described in this subsection are the following: (1) Exchange eligibility Section 1311 of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18031 ). (2) Reduced cost-sharing eligibility Section 1402 of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18071 ). (3) Premium subsidy eligibility Section 36B of the Internal Revenue Code of 1986. (4) Medicaid and CHIP eligibility Titles XIX and XXI of the Social Security Act, including under section 1903(v) of such Act ( 42 U.S.C. 1396b(v) ). (c) Effective date (1) In general Subsection (a) shall take effect on the date of the enactment of this Act. (2) Transition through special enrollment period In the case of an individual described in subsection (a) who, before the first day of the first annual open enrollment period under subparagraph (B) of section 1311(c)(6) of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18031(c)(6) ) beginning after the date of the enactment of this Act, is granted federally authorized presence in the United States described in subsection (a) and who, as a result of such subsection, qualifies for a subsidy described in paragraph (2) or (3) of such subsection, the Secretary of Health and Human Services shall establish a special enrollment period under section 1311(c)(6)(C) of such Act during which such individual may enroll in qualified health plans through Exchanges under title I of such Act and qualify for such a subsidy. For such an individual who has been granted federally authorized presence in the United States as of the date of the enactment of this Act, such special enrollment period shall begin not later than 90 days after such date of enactment. Nothing in this paragraph shall be construed as affecting the authority of the Secretary to establish additional special enrollment periods under section 1311(c)(6)(C) of