---
kind: "section"
citation: "49 C.F.R. § 581.4"
title: "49"
number: "581.4"
heading: "Definitions."
url: "https://uscodex.org/cfr/49/581.4"
---

# §581.4. Definitions.


All terms defined in [49 U.S.C. 32101](/usc/49/32101.md) are used as defined therein.

Bumper face bar means any component of the bumper system that contacts the impact ridge of the pendulum test device.


## Notes

### Amendments

[42 FR 24059, May 12, 1977, as amended at 64 FR 2862, Jan. 19, 1999]

### Authority

Authority: 49 U.S.C. 32502; 322, 30111, 30115, 30117 and 30166; delegation of authority at 49 CFR 1.50.

### Source

Source: 42 FR 24059, May 12, 1977, unless otherwise noted.

### Amendments

[42 FR 24059, May 12, 1977, as amended at 64 FR 2862, Jan. 19, 1999]