---
kind: "section"
citation: "49 U.S.C. § 31704"
title: "49"
title_heading: "Transportation"
number: "31704"
heading: "Vehicle registration"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/49/31704"
units:
  - "Subtitle VI — Motor Vehicle and Driver Programs"
  - "Part B — Commercial"
  - "Chapter 317 — Participation in International Registration Plan and International Fuel Tax Agreement"
---

# §31704. Vehicle registration


After September 30, 1996, a [State](/usc/49/30102.md?p=a-12) that is not participating in the [International Registration Plan](/usc/49/31701.md?p=4) may not establish, maintain, or enforce a [commercial motor vehicle](/usc/49/31301.md?p=4) registration law, regulation, or agreement that limits the operation in that [State](/usc/49/30102.md?p=a-12) of a [commercial motor vehicle](/usc/49/31301.md?p=4) that is not registered under the laws of the [State](/usc/49/30102.md?p=a-12), if the vehicle is registered under the laws of a [State](/usc/49/30102.md?p=a-12) participating in the Plan.


## Source credit

(Pub. L. 103–272, § 1(e), July 5, 1994, 108 Stat. 1032.)

## Notes

| Historical and Revision Notes |  |  |
| --- | --- | --- |
| Revised<br>Section | Source (U.S. Code) | Source (Statutes at Large) |
| 31704 | 49:11506 (note). | Dec. 18, 1991, Pub. L. 102–240, § 4008(f), 105 Stat. 2154. |

The words “a State that is not participating in the International Registration Plan may not” are substituted for “no State (other than a State which is participating in the International Registration Plan) shall” for consistency in the revised title and to eliminate unnecessary words.