Regulations last checked for updates: Feb 12, 2026

Title 42 - Public Health last revised: Feb 02, 2026
All TitlesTitle 42Chapter IVPart 423Subpart N - Subpart N—Medicare Contract Determinations and Appeals
View all text of Subpart N [§ 423.641 - § 423.668]
§ 423.643 - Effect of contract determination.

The contract determination is final and binding unless a timely request for a hearing is filed under 423.651.

[72 FR 68733, Dec. 5, 2007]
authority: 42 U.S.C. 1302,1306,1395w,and
source: 70 FR 4525, Jan. 28, 2005, unless otherwise noted.
cite as: 42 CFR 423.643
© 2014 CustomsMobile | Disclaimer | Privacy | About