; (B) in paragraph (2)(D), by striking who is 65 years of age or older as of the date of issuance and ; (C) in paragraph (3)(B)(ii), by striking is 65 years of age or older and ; and (D) in paragraph (3)(B)(vi), by striking at age 65 . (2) Effective date; phase-In authority (A) Effective date Subject to subparagraph (B), the amendments made by paragraph (1) shall apply to medicare supplemental policies effective on or after January 1, 2022. (B) Phase-In authority (i) In general Subject to clause (ii), the Secretary of Health and Human Services may phase in the implementation of the amendments made under paragraph (1) (with such phase-in beginning on or after January 1, 2022) in such manner as the Secretary determines appropriate in order to minimize any adverse impact on individuals enrolled under a medicare supplemental policy. (ii) Phase-In period may not exceed 5 years The Secretary of Health and Human Services shall ensure that the amendments made by paragraph (1) are fully implemented by not later than January 1, 2027. (3) Additional enrollment period for certain individuals (A) One-time enrollment period (i) In general In the case of an individual described in subparagraph (B), the Secretary shall establish a one-time enrollment period during which such an individual may enroll in any medicare supplemental policy of the individual’s choosing. (ii) Period The enrollment period established under clause (i) shall begin on the date on which the phase-in period under paragraph (2) is completed and end 6 months after such date. (B) Individual described An individual described in this paragraph is an individual who— (i) is entitled to hospital insurance benefits under part A under section 226(b) or section 226A of the Social Security Act ( 42 U.S.C. 426(b) ; 426–1); (ii) is enrolled for benefits under part B of such Act ( 42 U.S.C. 1395j et seq.)