---
kind: "section"
citation: "48 C.F.R. § 523.303"
title: "48"
number: "523.303"
heading: "Contract clauses."
url: "https://uscodex.org/cfr/48/523.303"
---

# §523.303. Contract clauses.

- (a) Insert the clause at 552.223-70, Hazardous Substances, in solicitations and contracts for packaged items subject to the Federal Hazardous Substances Act and the Hazardous Materials Transportation Act.
- (b) Insert the clause at 552.223-71, Nonconforming Hazardous Materials, in solicitations and contracts for supplies that contain hazardous materials.
- (c) Insert the clause at 552.223-73, Preservation, Packaging, Packing, Marking and Labeling of Hazardous Materials (HAZMAT) for Shipments, in solicitations and contracts for packaged items containing hazardous materials.

## Notes

### Amendments

[64 FR 37220, July 9, 1999, as amended at 80 FR 36248, June 24, 2015; 86 FR 55520, Oct. 6, 2021]

### Authority

Authority: 40 U.S.C. 121(c).

### Source

Source: 64 FR 37220, July 9, 1999, unless otherwise noted.

### Amendments

[64 FR 37220, July 9, 1999, as amended at 80 FR 36248, June 24, 2015; 86 FR 55520, Oct. 6, 2021]