CFR › Title 42 › Part 423 › §423.77142 CFR §423.771Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Basis. This subpart is based on section 1860D-14 of the Act.(b)Scope. This subpart sets forth the requirements and limitations for payments by and on behalf of low-income Medicare beneficiaries who enroll in a Part D plan.