---
identifier: "/us/cfr/t49/s397.9"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 397.9 - [Reserved]"
title_number: 49
title_name: "Transportation"
section_number: "397.9"
section_name: "[Reserved]"
chapter_name: "FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "B"
subchapter_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS"
part_number: "397"
part_name: "TRANSPORTATION OF HAZARDOUS MATERIALS; DRIVING AND PARKING RULES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 322; 49 CFR 1.87. Subpart A also issued under 49 U.S.C. 5103, 31136, 31502, and 49 CFR 1.97. Subparts C, D, and E also issued under 49 U.S.C. 5112, 5125."
regulatory_source: "36 FR 4876, Mar. 13, 1971, unless otherwise noted."
cfr_part: "397"
---
- Identifier
- /us/cfr/t49/s397.9
- Currency
- 2026-03-24
- Positive Law
- No
- Updated
- 2026-03-24
- Chapter
- Federal Motor Carrier Safety Administration, Department of Transportation
- Authority
- 49 U.S.C. 322; 49 CFR 1.87. Subpart A also issued under 49 U.S.C. 5103, 31136, 31502, and 49 CFR 1.97. Subparts C, D, and E also issued under 49 U.S.C. 5112, 5125.