; or (ii) is entitled to benefits under 226A(b) and is enrolled for benefits under part B. ; and (ii) in subparagraph (D), in the matter preceding clause (i), by inserting (or is entitled to benefits under 226A(b)) after is 65 years of age or older ; and (B) in paragraph (3)(B)— (i) in clause (ii), by inserting (or is entitled to benefits under 226A(b)) after is 65 years of age or older ; and (ii) in clause (vi), by inserting (or under 226A(b)) after at age 65 . (2) Effective date The amendments made by paragraph (1) shall apply to Medicare supplemental policies effective on or after January 1, 2020. (b) Additional enrollment period for certain individuals (1) One-time enrollment period (A) In general In the case of an individual described in subparagraph (B), the Secretary of Health and Human Services shall establish a one-time enrollment period during which such an individual may enroll in any Medicare supplemental policy under section 1882 of the Social Security Act ( 42 U.S.C. 1395ss ) of the individual’s choosing. (B) Enrollment period The enrollment period established under subparagraph (A) shall begin on January 1, 2020, and shall end June 30, 2020. (2) Individual described An individual described in this paragraph is an individual who— (A) is entitled to hospital insurance benefits under part A of title XVIII of the Social Security Act under section 226A(b) of such Act ( 42 U.S.C. 426–1 ); (B) is enrolled for benefits under part B of such title XVIII; and (C) would not, but for the provisions of, and amendments made by, subsection (a) be eligible for the guaranteed issue of a Medicare supplemental policy under paragraph (2) or (3) of section 1882(s) of such Act ( 42 U.S.C. 1395ss(s) ). 203. Promoting access to home dialysis treatments (a) In general Section 1881(b)(3) of the Social Security Act ( 42 U.S.C. 1395rr(b)(3) ) is amended— (1) by redesignating subparagraphs (A) and (B) as clauses (i) and (ii), respectively