CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS > SUBPART K—Approval of Materials, Parts, Processes, and Appliances (§21.301 to §21.320) > 21.320—Changes in quality system.

21.320—Changes in quality system.

Code of Federal Regulations

Effective Date Note: By Docket No. FAA-2006-25877, 74 FR 53390, Oct. 16, 2009, subpart K of part 21 was revised, effective Apr. 14, 2010. The effective date of this revision was subsequently postponed to Apr. 16, 2011 at 75 FR 9095, Mar. 1, 2010. For the convenience of the user, the revised text is set forth as follows: Subpart K—Parts Manufacturer Approvals § 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.