---
kind: "section"
citation: "49 C.F.R. § 5.21"
title: "49"
number: "5.21"
heading: "Policy updates and revisions."
url: "https://uscodex.org/cfr/49/5.21"
---

# §5.21. Policy updates and revisions.


This subpart shall be reviewed from time to time to reflect improvements in the rulemaking process or changes in Administration policy.


## Notes

### Authority

Authority: 49 U.S.C. 322(a).

### Source

Source: 91 FR 22437, Apr. 27, 2026, unless otherwise noted.