; (B) are entitled to hospital insurance benefits under part A of title XVIII of the Social Security Act pursuant to receiving benefits for 24 months as described in subparagraph (A) or (C) of section 226(b)(2) of such Act ( 42 U.S.C. 426(b)(2) ); and (C) because of such entitlement, are no longer enrolled in TRICARE Standard, TRICARE Prime, TRICARE Extra, or TRICARE Select under chapter 55 of title 10, United States Code. (d) Application The amendments made by this section shall apply with respect to a person who, on or after the date of the enactment of this Act, is a person described in section 1086(d)(6)(B) of title 10, United States Code, as added by subsection (a).