---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtA/part5"
level: "part"
label: "Part 5"
heading: "Administrative Rulemaking, Guidance, and Enforcement Procedures"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtA-part5"
sections_count: 58
---

# Part 5 — Administrative Rulemaking, Guidance, and Enforcement Procedures

Title 49 C.F.R. — Transportation › Subtitle A — Office of the Secretary of Transportation

## Contents

- [Subpart A — General](/cfr/49/subtA-part5-subpartA.md)
- [Subpart B — Rulemaking Procedures](/cfr/49/subtA-part5-subpartB.md)
- [Subpart C — Guidance Procedures](/cfr/49/subtA-part5-subpartC.md)
- [Subpart D — Enforcement Procedures](/cfr/49/subtA-part5-subpartD.md)