42 C.F.R. § 423.642 Notice of contract determination.
Title 42 - Public Health
(a) When CMS makes a contract determination under §423.641, it gives the PDP sponsor written notice. (b) The notice specifies the— (1) Reasons for the determination; and (2) PDP sponsor's right to request reconsideration. (c) For CMS-initiated terminations, CMS mails notice 90 days before the anticipated effective date of the termination. For terminations based on initial determinations described at §423.509(a)(4) or (a)(5), CMS immediately notifies the PDP sponsor of its decision to terminate the organization's PDP contract. (d) When CMS determines that it is not going to authorize a contract renewal, CMS mails the notice to the PDP sponsor by May 1 of the current contract year.
Title 42: Public Health
PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT
Subpart N—Medicare Contract Determinations and Appeals
§ 423.642 Notice of contract determination.

