---
kind: "section"
citation: "40 C.F.R. § 1037.10"
title: "40"
number: "1037.10"
heading: "How is this part organized?"
url: "https://uscodex.org/cfr/40/1037.10"
---

# §1037.10. How is this part organized?


This part 1037 is divided into the following subparts:

- (a) [Subpart A](/cfr/40/subpartA.md) of this part defines the applicability of [part 1037](/cfr/40/part1037.md) and gives an overview of regulatory requirements.
- (b) [Subpart B](/cfr/40/subpartB.md) of this part describes the emission standards and other requirements that must be met to certify vehicles under this part. Note that [§ 1037.150](/cfr/40/1037.150.md) discusses certain interim requirements and compliance provisions that apply only for a limited time.
- (c) **Subpart C of this part describes how to apply for a certificate of conformity.**
- (d) **Subpart D of this part addresses testing of production vehicles.**
- (e) **Subpart E of this part addresses testing of in-use vehicles.**
- (f) [Subpart F](/cfr/40/subpartF.md) of this part describes how to test your vehicles and perform emission modeling (including references to other parts of the Code of Federal Regulations) for vehicles subject to the standards of [§ 1037.105](/cfr/40/1037.105.md) or [§ 1037.106](/cfr/40/1037.106.md).
- (g) [Subpart G](/cfr/40/subpartG.md) of this part and [40 CFR part 1068](/cfr/40/part1068.md) describe requirements, prohibitions, and other provisions that apply to manufacturers, owners, operators, rebuilders, and all others. [Section 1037.601](/cfr/40/1037.601.md) describes how [40 CFR part 1068](/cfr/40/part1068.md) applies for heavy-duty vehicles.
- (h) Subpart H of this part describes how you may generate and use emission credits to certify vehicles.
- (i) **Subpart I of this part contains definitions and other reference information.**

## Notes

### Amendments

[81 FR 74048, Oct. 25, 2016, as amended at 88 FR 4635, Jan. 24, 2023]

### Authority

Authority: 42 U.S.C. 7401—7671q.

### Source

Source: 81 FR 74048, Oct. 25, 2016, unless otherwise noted.

### Amendments

[81 FR 74048, Oct. 25, 2016, as amended at 88 FR 4635, Jan. 24, 2023]