40 CFR § 1054.401 - General provisions.

---
identifier: "/us/cfr/t40/s1054.401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1054.401 - General provisions."
title_number: 40
title_name: "Protection of Environment"
section_number: "1054.401"
section_name: "General provisions."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1054"
part_name: "CONTROL OF EMISSIONS FROM NEW, SMALL NONROAD SPARK-IGNITION ENGINES AND EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
regulatory_source: "73 FR 59259, Oct. 8, 2008, unless otherwise noted."
cfr_part: "1054"
---


# 1054.401 General provisions.

We may perform in-use testing of any engines or equipment subject to the standards of this part. We will consult with you as needed for information or special equipment related to testing your engines.