42 CFR § 447.50 - Premiums and cost sharing: Basis and purpose.

Sections 1902(a)(14), 1916 and 1916A of the Act permit states to require certain beneficiaries to share in the costs of providing medical assistance through premiums and cost sharing. Sections 447.52 through 447.56 specify the standards and conditions under which states may impose such premiums and or cost sharing.