---
kind: "section"
citation: "14 C.F.R. § 21.310"
title: "14"
number: "21.310"
heading: "Inspections and tests."
url: "https://uscodex.org/cfr/14/21.310"
---

# §21.310. Inspections and tests.

- (a) Each applicant for or holder of a PMA must allow the FAA to inspect its quality system, facilities, technical data, and any manufactured articles and witness any tests, including any inspections or tests at a supplier facility, necessary to determine compliance with this subchapter.
- (b) Unless otherwise authorized by the FAA, the applicant or holder—
  - (1) May not present any article to the FAA for an inspection or test unless compliance with [§ 21.303(b)(2) through (4)](/cfr/14/21.303.md?p=b-2..b-4) has been shown for that article; and
  - (2) May not make any change to an article between the time that compliance with [§ 21.303(b)(2) through (4)](/cfr/14/21.303.md?p=b-2..b-4) is shown for that article and the time that the article is presented to the FAA for the inspection or test.

## 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.