42 C.F.R. § 423.604 Effect of a reconsideration determination.
Title 42 - Public Health
A reconsideration determination is final and binding on the enrollee and the Part D plan sponsor, unless the enrollee files a request for a hearing under the provisions of §423.612.
Title 42: Public Health
PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT
Subpart M—Grievances, Coverage Determinations, and Appeals
§ 423.604 Effect of a reconsideration determination.