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Importing Vehicles and Engines
Contact Us

EPA Standard Form 3520-21: Importation of Engines, Vehicles, and Equipment Subject to Federal Air Pollution Regulations

This form must be submitted to U.S. Customs and Border Protection as applicable by the importer for each imported stationary, nonroad or heavy-duty highway engine, including engines incorporated into vehicles or equipment.

  • EPA Standard Form 3520-21 (pdf) (July 2020)
  • Importing Vehicles and Engines Home
  • Learn About Importing Vehicles and Engines
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  • Importing Canadian Vehicles
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Contact Us to ask a question, provide feedback, or report a problem.
Last updated on September 14, 2021
United States Environmental Protection Agency

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