42 C.F.R. § 405.804 Notice of initial determination.
Title 42 - Public Health
After a carrier has made an initial determination on a request for payment written notice of this determination shall be mailed to each party to the determination at his last known address. The notice of the determination shall inform each party to the determination of his right to have such determination reviewed.
Title 42: Public Health
PART 405—FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED
Subpart H—Appeals Under the Medicare Part B Program
§ 405.804 Notice of initial determination.

