49 CFR 172.500 : Transportation (§ 1.1 To Parts 1581-1699) — (Parts 100-104 To § 177.870) — Other Regulations Relating To Transportation (Parts 100-104 To § 177.870) — Pipeline And Hazardous Materials Safety Administration, Department Of Transportation (Parts 100-104 To § 177.870) — Hazardous Materials Regulations (§ 171.1 To § 177.870) — Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, Training Requirements, And Security Plans (§ 172.1 To Appendix D To Part 172) — Placarding (§ 172.500 To § 172.560) — Applicability of placarding requirements.

(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 classed as ORM-D;

(3) 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.

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

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

(6) Combustible liquids in non-bulk packagings.