---
kind: "section"
citation: "48 C.F.R. § 223.7304"
title: "48"
number: "223.7304"
heading: "Exceptions."
url: "https://uscodex.org/cfr/48/223.7304"
---

# §223.7304. Exceptions.


The prohibition in 223.7303 does not apply to—

- (a) Legacy systems and their related parts, subsystems, and components that already contain hexavalent chromium. However, alternatives to hexavalent chromium shall be considered by the appropriate official during system modifications, follow-on procurements of legacy systems, or maintenance procedure updates; and
- (b) Additional sustainment related contracts (e.g., parts, services) for a system in which use of hexavalent chromium was previously approved.

## Notes

### Source

Source: 76 FR 25575, May 5, 2011, unless otherwise noted.

### Authority

Authority: 41 U.S.C. 1303 and 48 CFR chapter 1.

### Source

Source: 56 FR 36365, July 31, 1991, unless otherwise noted.