---
kind: "section"
citation: "49 C.F.R. § 172.405"
title: "49"
number: "172.405"
heading: "Authorized label modifications."
url: "https://uscodex.org/cfr/49/172.405"
---

# §172.405. Authorized label modifications.

- (a) For Classes 1, 2, 3, 4, 5, 6, and 8, text indicating a hazard (for example FLAMMABLE LIQUID) is not required on a primary or subsidiary label.
- (b) For a package containing Oxygen, compressed, or Oxygen, refrigerated liquid, the OXIDIZER label specified in [§ 172.426](/cfr/49/172.426.md) of this subpart, modified to display the word “OXYGEN” instead of “OXIDIZER”, and the class number “2” instead of “5.1”, may be used in place of the NON-FLAMMABLE GAS and OXIDIZER labels. Notwithstanding the provisions of [paragraph (a)](#a) of this section, the word “OXYGEN” must appear on the label.
- (c) For a package containing a Division 6.1, Packing Group III material, the POISON label specified in [§ 172.430](/cfr/49/172.430.md) may be modified to display the text “PG III” instead of “POISON” or “TOXIC” below the mid line of the label. Also see [§ 172.313(d)](/cfr/49/172.313.md?p=d).

## Notes

### Amendments

[Amdt. 172-123, 55 FR 52594, Dec. 21, 1990, as amended at 56 FR 66255, Dec. 20, 1991; 57 FR 45458, Oct. 1, 1992; 64 FR 10776, Mar. 5, 1999; 66 FR 33425, June 21, 2001]

### 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 52594, Dec. 21, 1990, as amended at 56 FR 66255, Dec. 20, 1991; 57 FR 45458, Oct. 1, 1992; 64 FR 10776, Mar. 5, 1999; 66 FR 33425, June 21, 2001]