---
kind: "section"
citation: "49 C.F.R. § 172.308"
title: "49"
number: "172.308"
heading: "Authorized abbreviations."
url: "https://uscodex.org/cfr/49/172.308"
---

# §172.308. Authorized abbreviations.

- (a) Abbreviations may not be used in a proper shipping name marking except as authorized in this section.
- (b) The abbreviation “ORM” may be used in place of the words “Other Regulated Material.”
- (c) Abbreviations which appear as authorized descriptions in column 2 of the [§ 172.101](/cfr/49/172.101.md) table (e.g., “TNT” and “PCB”) are authorized.

## Notes

### Amendments

[Amdt. 172-123, 55 FR 52591, Dec. 21, 1990, as amended by Amdt. 172-145, 60 FR 49110, Sept. 21, 1995]

### 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 52591, Dec. 21, 1990, as amended by Amdt. 172-145, 60 FR 49110, Sept. 21, 1995]