---
kind: "section"
citation: "49 C.F.R. § 451.23"
title: "49"
number: "451.23"
heading: "Plate specifications."
url: "https://uscodex.org/cfr/49/451.23"
---

# §451.23. Plate specifications.

- (a) The safety approval plate must be of the size and in the format specified in the appendix to Annex I to the convention.
- (b) The safety approval plate must be:
  - (1) Designed to withstand and remain legible after a 15 minute exposure to a medium intensity fire producing a temperature of 1,000 °F (540 °C), when mounted on the specified material of construction of the container.
  - (2) Designed to resist the corrosive effects of its environment, both at sea and ashore, so as to remain legible for the working life of the container.
  - (3) Designed to have a legible life expectancy equal to or greater than the life expectancy of the container to which the plate is affixed.

## Notes

### Authority

Authority: 46 U.S.C. 80503; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: 45 FR 37214, June 2, 1980, unless otherwise noted.