---
kind: "section"
citation: "49 C.F.R. § 564.3"
title: "49"
number: "564.3"
heading: "Applicability."
url: "https://uscodex.org/cfr/49/564.3"
---

# §564.3. Applicability.


This part applies to replaceable light sources used as original equipment, and standardized sealed beam headlamp units used as original equipment and replacement equipment in motor vehicle headlighting systems.


## Notes

### Authority

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

### Source

Source: 72 FR 68266, Dec. 4, 2007, unless otherwise noted.