---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chIII/subchB/part389"
level: "part"
label: "Part 389"
heading: "Rulemaking Procedures—federal Motor Carrier Safety Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chIII-subchB-part389"
sections_count: 21
---

# Part 389 — Rulemaking Procedures—federal Motor Carrier Safety Regulations

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter III — Federal Motor Carrier Safety Administration, Department of Transportation › Subchapter B — Federal Motor Carrier Safety Regulations

## Contents

- [Subpart A — General](/cfr/49/subtB-chIII-subchB-part389-subpartA.md)
- [Subpart B — Procedures for Adoption of Rules](/cfr/49/subtB-chIII-subchB-part389-subpartB.md)