---
kind: "section"
citation: "49 C.F.R. § 537.3"
title: "49"
number: "537.3"
heading: "Applicability."
url: "https://uscodex.org/cfr/49/537.3"
---

# §537.3. Applicability.


This part applies to automobile manufacturers, except for manufacturers subject to an alternate fuel economy standard under [49 U.S.C. 32902(d)](/usc/49/32902.md?p=d).


## Notes

### Amendments

[89 FR 52953, June 24, 2024]

### Authority

Authority: 49 U.S.C. 32907; delegation of authority at 49 CFR 1.95.

### Source

Source: 87 FR 26087, May 2, 2022, unless otherwise noted.

### Amendments

[89 FR 52953, June 24, 2024]