42 C.F.R. § 423.900Download PDFCurrent through September 30, 2024Section 423.900 - Basis and scope(a)Basis. This subpart is based on sections 1935(a) through (d) of the Act as amended by section 103 of the MMA.(b)Scope. This subpart specifies State agency obligations for the Part D prescription drug benefit. 42 C.F.R. §423.900