---
kind: "section"
citation: "14 C.F.R. § 21.320"
title: "14"
number: "21.320"
heading: "Changes in quality system."
url: "https://uscodex.org/cfr/14/21.320"
---

# §21.320. Changes in quality system.


After the issuance of a PMA—

- (a) Each change to the quality system is subject to review by the FAA; and
- (b) The holder of the PMA must immediately notify the FAA, in writing, of any change that may affect the inspection, conformity, or airworthiness of its article.

## Notes

### Source

Source: Docket No. FAA-2006-25877, Amdt. 21-92, 74 FR 53390, Oct. 16, 2009, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.