have been required to pay in cost sharing if such items or services had been furnished by an in-network health care provider with respect to such plan or coverage. . (2) Effective Date The amendment made by paragraph (1) shall take effect beginning 2 years after the date of the enactment of this Act. (b) Condition of Participation in Medicare (1) In general Section 1866(a)(1) of the Social Security Act ( 42 U.S.C. 1395cc(a)(1) ) is amended— (A) in subparagraph (X), by striking and at the end