; and (C) does not establish premiums applicable under such policy on a basis that would apply to a portion of, but not the entirety of, a metropolitan statistical area. (3) Application date The revised standards shall apply to benefit packages sold, issued, or renewed under this section to an individual who first become entitled to benefits under part A or first enrolls in part B on or after January 1, 2023. . (b) Conforming amendment Section 1882(o)(1) of the Social Security Act ( 42 U.S.C. 1395ss(o)(1) ) is amended by striking , and (y) and inserting (y), and (aa) . 4. Clarification regarding standardized Medigap plans Section 1882 of the Social Security Act ( 42 U.S.C. 1395ss ), as amended by section (3), is amended by adding at the end the following new subsection: (bb) Limitation on additional benefits A standard benefit package established under this section may not include benefits that are in addition to the standard benefits under the package. An issuer of a Medicare supplemental policy may offer such additional standardized benefits through a separate rider. . 5. Improving information available to Medicare beneficiaries (a) Clarifying beneficiary options on the Medicare plan finder website Section 1804 of the Social Security Act ( 42 U.S.C. 1395b–2 ) is amended by adding at the end the following new subsections: (e) In the case that the Secretary provides for a Medicare plan finder Internet website of the Centers for Medicare & Medicaid Services (or a successor website), the Secretary shall, with respect to such website and in accordance with subsection (f)— (1) consult with at least one independent entity that represents consumers in the development of such website