42 C.F.R. § 423.1 Basis and scope.
Title 42 - Public Health
(a) Basis. (1) This part is based on the indicated provisions of the following sections of the Social Security Act: 1860D–1. Eligibility, enrollment, and information. 1860D–2. Prescription drug benefits. 1860D–3. Access to a choice of qualified prescription drug coverage. 1860D–4. Beneficiary protections for qualified prescription drug coverage. 1860D–11. PDP regions; submission of bids; plan approval. 1860D–12. Requirements for and contracts with prescription drug plan (PDP) sponsors. 1860D–13. Premiums; late enrollment penalty. 1860D–14. Premium and cost-sharing subsidies for low-income individuals. 1860D–15. Subsidies for Part D eligible individuals for qualified prescription drug coverage. 1860D–16. Medicare Prescription Drug Account in the Federal Supplementary Medical Insurance Trust Fund. 1860D–21. Application to Medicare Advantage program and related managed care programs. 1860D–22. Special rules for Employer-Sponsored Programs 1860D–23. State pharmaceutical assistance programs. 1860D–24. Coordination requirements for plans providing prescription drug coverage. 1860D–31. Medicare prescription drug discount card and transitional assistance program. 1860D–41. Definitions; treatment of references to provisions in Part C. 1860D–42. Miscellaneous provisions. (2) The following specific sections of the Medicare Modernization Act also address the prescription drug benefit program: Sec. 102 Medicare Advantage conforming amendments. Sec. 103 Medicaid amendments. Sec. 104 Medigap. Sec. 109 Expanding the work of Medicare Quality Improvement Organizations to include Parts C and D. (b) Scope. This part establishes standards for beneficiary eligibility, access, benefits, protections, and low-income subsidies in Part D, as well as establishes standards and sets forth requirements, limitations, procedures and payments for organizations participating in the Voluntary Medicare Prescription Drug Program.
Title 42: Public Health
PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT
Subpart A—General Provisions
§ 423.1 Basis and scope.

