# Medicare Part D Subsidies
> **US Social Security Administration** · Final rules. · Published 2005-12-30 · Effective 2005-12-30 · 70 FR 77664
## Document
- **Document number:** 05-24633
- **Category:** ssa-other
- **Agency:** US Social Security Administration
- **Federal Register citation:** 70 FR 77664
- **CFR reference:** 20 CFR 418
- **Publication date:** 2005-12-30
- **Effective date:** 2005-12-30
## Abstract

We are adding to our regulations a new part to contain rules that we will apply when we evaluate applications for premium and cost- sharing subsidies under the Medicare program. We are including a new subpart, Medicare Part D Subsidies, to this part. This new subpart contains the rules that we use to determine eligibility for premium and cost-sharing subsidies under the Medicare Part D program, which was added by the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (Medicare Modernization Act or MMA). These final rules describe: What the new subpart is about; how we determine whether you are eligible for premium and cost-sharing subsidies; how we redetermine your eligibility for a subsidy; how you apply for a subsidy; how we evaluate your income and resources; when your eligibility for premium and cost-sharing subsidies terminates; how you may report changes in your circumstances; and how you can appeal a determination we make under the Part D subsidy program.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/12/30/05-24633/medicare-part-d-subsidies)
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