42 C.F.R. § 405.450 Appeals.
Title 42 - Public Health
(a) A determination by CMS that a physician or practitioner has failed to properly opt-out, failed to maintain opt-out, failed to timely renew opt-out, failed to privately contract, or failed to properly terminate opt-out is an initial determination for purposes of §405.803. (b) A determination by CMS that no payment can be made to a beneficiary for the services of a physician who has opted-out is an initial determination for purposes of §405.803.
Title 42: Public Health
PART 405—FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED
Subpart D—Private Contracts
§ 405.450 Appeals.