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Title 40

Displaying title 40, up to date as of 6/04/2026. Title 40 was last amended 6/04/2026.
eCFR Content

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Subpart E—In-use Testing

§ 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.