---
kind: "section"
citation: "49 C.F.R. § 173.423"
title: "49"
number: "173.423"
heading: "Requirements for multiple hazard limited quantity Class 7 (radioactive) materials."
url: "https://uscodex.org/cfr/49/173.423"
---

# §173.423. Requirements for multiple hazard limited quantity Class 7 (radioactive) materials.

- (a) Except as provided in [§ 173.4](/cfr/49/173.4.md), when a limited quantity radioactive material meets the definition of another hazard class or division, it must be—
  - (1) Classed for the additional hazard;
  - (2) Packaged to conform with the requirements specified in [§ 173.421(a) through (e)](/cfr/49/173.421.md?p=a..e) or [§ 173.424(a) through (g)](/cfr/49/173.424.md?p=a..g), as appropriate; and
  - (3) Offered for transportation in accordance with the requirements applicable to the hazard for which it is classed.
- (b) A limited quantity Class 7 (radioactive) material which is classed other than Class 7 in accordance with this subchapter is excepted from the requirements of §§ [173.422(a)](/cfr/49/173.422.md?p=a), [172.203(d)](/cfr/49/172.203.md?p=d), and [172.204(c)(4)](/cfr/49/172.204.md?p=c-4) of this subchapter if the entry “Limited quantity radioactive material” appears on the shipping paper in association with the basic description.

## Notes

### Amendments

[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended at 80 FR 72928, Nov. 23, 2015]

### Source

Source: Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, unless otherwise noted.

### Authority

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

### Amendments

[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended at 80 FR 72928, Nov. 23, 2015]