---
kind: "section"
citation: "49 C.F.R. § 172.500"
title: "49"
number: "172.500"
heading: "Applicability of placarding requirements."
url: "https://uscodex.org/cfr/49/172.500"
---

# §172.500. 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 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)](/cfr/49/172.203.md?p=b) or when marked as such in accordance with [§ 172.315](/cfr/49/172.315.md).
  - (3) Hazardous materials prepared in accordance with [§ 173.13](/cfr/49/173.13.md) of this subchapter;
  - (4) Hazardous materials which are packaged as small quantities under the provisions of §§ [173.4](/cfr/49/173.4.md), [173.4a](/cfr/49/173.4a.md), [173.4b](/cfr/49/173.4b.md) of this subchapter; and
  - (5) **Combustible liquids in non-bulk packagings.**

## Notes

### Amendments

[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]

### Authority

Authority: 49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.

### Source

Source: Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, unless otherwise noted.

### Amendments

[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]