# Medicare Program; Modification to the Weighting Methodology Used To Calculate the Low-Income Benchmark Amount
> **Centers for Medicare and Medicaid Services** · Final rule. · Published 2008-04-03 · Effective 2008-05-31 · 73 FR 18176
## Document
- **Document number:** 08-1088
- **Category:** medicare
- **Sub-agency:** Centers for Medicare and Medicaid Services
- **Federal Register citation:** 73 FR 18176
- **CFR reference:** 42 CFR 422
- **Publication date:** 2008-04-03
- **Effective date:** 2008-05-31
- **HHS docket:** CMS-4133-F
## Abstract

This final rule changes the weighting methodology used to calculate the low-income benchmark premium amount (benchmark) for 2009 and thereafter. Under this final rule, the benchmark weighting methodology is adjusted so that the relative weights of the Medicare Advantage Prescription Drug (MA-PD) plan premiums and Prescription Drug Plan (PDP) plan premiums in the low-income benchmark premium amount reflect the distribution of enrollment of beneficiaries eligible for the low-income subsidy in each plan.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/04/03/08-1088/medicare-program-modification-to-the-weighting-methodology-used-to-calculate-the-low-income)
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