§ 172.500 Applicability of placarding requirements.
Current through Sep 25, 2026 · Read all of Part 172
(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.
[Amdt. 172-123, 55 FR 52599, Dec. 21, 1990, as amended by Amdt. 172-149, 61 FR 27173, May 30, 1996; 74 FR 2253, Jan. 14, 2009; 76 FR 3367, Jan. 19, 2011; 87 FR 79773, Dec. 27, 2022]
Interpretation letters (16)
- Placarding Exceptions — PHMSA, Jan 19, 2023
- Fuel Systems for Asphalt Equipment - Revised — PHMSA, Aug 17, 2021
- Transport of Category B Patient Samples — PHMSA, Mar 4, 2021
- Marking of portable tanks — PHMSA, May 6, 2020
- Classification of Residue and Applicability of the HMR to a On-Site Vendor — PHMSA, May 19, 2016
- Use of DANGEROUS Placard When One Hazardous Material is Provided Exceptions From Placarding — PHMSA, Sep 8, 2015
- Clarification of the Requirements for Shipping Limited Quantity Materials by Highway — PHMSA, Jan 8, 2015
- Clarification of the Use of the DANGEROUS Placard — PHMSA, Mar 12, 2014
- Applicability of the HMR to the Removal of Placards — PHMSA, Apr 9, 2012
- Labeling and Placarding Requirements for Limited Quantities — PHMSA, Jun 30, 2006