; (B) by striking , for not less than 24 months ; and (C) by striking could have been entitled for 24 calendar months, and . (c) Effective date The amendments made by this section shall apply to insurance benefits under title XVIII of the Social Security Act with respect to items and services furnished in months beginning after December 1 following the date of enactment of this Act, and before January 1 of the year that is 4 years after such date of enactment. 1005. Guaranteed issue of Medigap policies Section 1882 of the Social Security Act ( 42 U.S.C. 1395ss ) is amended by adding at the end the following new subsection: (aa) Guaranteed issue for all Medigap-Eligible Medicare beneficiaries Notwithstanding paragraphs (2)(A) and (2)(D) of subsection (s) or any other provision of this section, on or after the date of enactment of this subsection, the issuer of a Medicare supplemental policy may not deny or condition the issuance or effectiveness of a Medicare supplemental policy, or discriminate in the pricing of the policy, because of health status, claims experience, receipt of health care, or medical condition in the case of any individual entitled to, or enrolled for, benefits under part A and enrolled for benefits under part B. . B Temporary Medicare Buy-In Option and Temporary Public Option 1011. Lowering the Medicare age (a) In general Title XVIII of the Social Security Act ( 42 U.S.C. 1395c et seq. ), as amended by section 1001, is amended by adding at the end the following new section: 1899E. Temporary Medicare Buy-In Option for Certain Individuals (a) No effect on other benefits for individuals otherwise eligible or on Trust Funds The Secretary shall implement the provisions of this section in such a manner to ensure that such provisions— (1) have no effect on the benefits under this title for individuals who are entitled to, or enrolled for, such benefits other than through this section