---
kind: "section"
citation: "49 C.F.R. § 173.462"
title: "49"
number: "173.462"
heading: "Preparation of specimens for testing."
url: "https://uscodex.org/cfr/49/173.462"
---

# §173.462. Preparation of specimens for testing.

- (a) Each specimen (i.e., sample, prototype or scale model) must be examined before testing to identify and record faults or damage, including:
  - (1) Divergence from the specifications or drawings;
  - (2) Defects in construction;
  - (3) Corrosion or other deterioration; and
  - (4) **Distortion of features.**
- (b) Any deviation found under [paragraph (a)](#a) of this section from the specified design must be corrected or appropriately taken into account in the subsequent evaluation.
- (c) The containment system of the packaging must be clearly specified.
- (d) The external features of the specimen must be clearly identified so that reference may be made to any part of it.

## Notes

### Source

Source: Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.