---
kind: "section"
citation: "42 C.F.R. § 423.643"
title: "42"
number: "423.643"
heading: "Effect of contract determination."
url: "https://uscodex.org/cfr/42/423.643"
---

# §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.


## Notes

### Amendments

[72 FR 68733, Dec. 5, 2007]

### Authority

Authority: 42 U.S.C. 1302, 1306, 1395w-101 through 1395w-152, and 1395hh.

### Source

Source: 70 FR 4525, Jan. 28, 2005, unless otherwise noted.

### Amendments

[72 FR 68733, Dec. 5, 2007]