§ 172.500 Applicability of placarding requirements.

PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, TRAINING REQUIREMENTS, AND SECURITY PLANS, last amended 2023-01-26

Official text from eCFR.gov, up to date as of 2026-10-22. Checked for changes every day.

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(a) Each person who offers for transportation or transports any hazardous material subject to this subchapter shall comply with the applicable placarding requirements of this subpart.

(b) This subpart does not apply to—

(1) Infectious substances;

(2) Hazardous materials authorized by this subchapter to be offered for transportation as a limited quantity when identified as such on a shipping paper in accordance with § 172.203(b) or when marked as such in accordance with § 172.315.

(3) Hazardous materials prepared in accordance with § 173.13 of this subchapter;

(4) Hazardous materials which are packaged as small quantities under the provisions of §§ 173.4, 173.4a, 173.4b of this subchapter; and

(5) Combustible liquids in non-bulk packagings.

Official text from the eCFR. The eCFR is an authoritative but unofficial editorial compilation; the Federal Register is the legal source.