104 STAT. 1388-110 PUBLIC LAW 101-508—NOV. 5, 1990 utilization such as health status adjusters or prior utilization measures; or (ii) recommendations for a new payment methodology as an alternative to the adjusted average per capita cost; (B) data to support any recommended changes in payment methodology for organizations with risk contracts under section 1876(g) of the Social Security Act; and (C) analysis demonstrating that any proposed or revised pay- ment methodology under this section is effective in explaining at least 15 percent of the variation in health care utilization and costs (as determined in consultation with the American Academy of Actuaries) among individuals enrolled in such organizations. (3) Not later than March 1, 1992, the Secretary shall cause to have published in the Federal Register a proposed rule providing for the implementation of the payment methodology specified in the proposal submitted pursuant to paragraph (1). (4) Not later than May 1, 1992, the Comptroller General shall review the proposal and recommendations made pursuant to paragraphs (1) and (2), and shall report to Congress on appropriate modifications in such payment methodology. (5) Taking into account the recommendations made pursuant to paragraph (4), on or after August 1, 1992, the Secretary shall issue a final rule implementing a payment methodology that meets the requirements of paragraph (1), effective for contract years beginning on or after January 1, 1993. (c) APPLICATION OF NATIONAL COVERAGE DECISIONS. — (1) IN GENERAL.—Section 1876(c)(2) (42 U.S.C. 1395mm(c)(2)) is amended— (A) by redesignating clauses (i) and (ii) and subparagraphs (A) and (B) as subclauses (I) and (II) and clauses (i) and (ii), respectively; (B) by inserting "(A)" after "(2)"; and (C) by adding at the end the following new subparagraph: "(B) If there is a national coverage determination made in the period beginning on the date of an announcement under subsection (a)(1)(A) and ending on the date of the next announcement under such subsection that the Secretary projects will result in a signif- cant ^^ change in the costs to the organization of providing the benefits that are the subject of such national coverage determination and that was not incorporated in the determination of the per capita rate of payment included in the announcement made at the beginning of such period— "(i) such determination shall not apply to risk-sharing contracts under this section until the first contract year that begins after the end of such period; and "(ii) if such coverage determination provides for coverage of additional benefits or under additional circumstances, subsection (a)(3) shall not apply to payment for such additional benefits or benefits provided under such additional circumstances until the first contract year that begins after the end of such period, unless otherwise required by law.". (2) CONFORMING AMENDMENT. —Section 1876(a)(6) of such Act is amended by striking "subsection (c)(7)" and inserting "subsections (c)(2)(B)(ii) and (c)(7)". 1* So in original. Probably should be "significant".