; and (2) by adding at the end the following new sentence: Effective for items and services furnished on or after January 1, 2021 (with respect to periods beginning on or after the date that is 42 months prior to such date), clauses (i) and (ii) shall be applied by substituting 42-month for 12-month each place it appears. . (b) Effective date The amendments made by this section shall take effect on the date of enactment of this Act. For purposes of determining an individual’s status under section 1862(b)(1)(C) of the Social Security Act ( 42 U.S.C. 1395y(b)(1)(C) ), as amended by subsection (a), an individual who is within the coordinating period as of the date of enactment of this Act shall have that period extended to the full 42 months described in the last sentence of such section, as added by the amendment made by subsection (a)(2). 406. Indian defined in title I of the Patient Protection and Affordable Care Act (a) Definition of indian Section 1304 of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18024 ) is amended by adding at the end the following: (f) Indian (1) In general In this title, the term Indian means any individual— (A) described in paragraph (13) or (28) of section 4 of the Indian Health Care Improvement Act ( 25 U.S.C. 1603 ); (B) who is eligible for health services provided by the Indian Health Service under section 809 of the Indian Health Care Improvement Act ( 25 U.S.C. 1679 ); (C) who is of Indian descent and belongs to the Indian community served by the local facilities and program of the Indian Health Service