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  1. Home
  2. Vehicle and Engine Certification

Certification for All-Terrain Vehicles (ATVs) and Dirt Bikes

Related Topic
For all nonroad, see:
  • Nonroad Vehicles and Engines

Follow these steps for certification.

STEP 1: Confirm that you have access to Engines and Vehicles Compliance Information System (EV-CIS).

You must register with EPA to gain access to EV-CIS for the specific manufacturer code  for which you are seeking certification.
  • How to register for EV-CIS system
You must also set up an account with EPA to establish the necessary EV-CIS roles.
  • Account setup for EV-CIS

STEP 2: Update manufacturer information in EV-CIS.

To update information, users must have the "Maintain Manufacturer Information" role in EV-CIS. Otherwise, users will only be able to view  the information.

Information to Update
Updates include (but are not limited to):
  • Industry sector(s);
  • Addresses;
  • Contacts and Industry/Compliance Programs;
  • Test labs; and
  • Notification email addresses (used for EV-CIS' broadcast notifications).

STEP 3: Review all applicable regulations.

Regulations provide requirements for certification and compliance.

Regulations
Review the following:
  • 40 CFR Part 1051
    Control of emissions from recreational engines and vehicles.
  • 40 CFR Part 1065
    Engine testing procedures.
  • 40 CFR Part 1068
    General compliance provisions for highway, stationary, and nonroad programs.
Selected Guidance Letters
Review selected guidance letters:
  • Information about Family Naming Conventions
  • Road Load Force Target Coefficients for Vehicles Over 870kg, Certified Under 40 CFR Part 1051 (PDF)(2 pp, 118 K, August 2014, About PDF)
To search all guidance letters, go to:
  • EPA's Transportation and Air Quality Document Index System (DIS)

STEP 4: Pay appropriate certification fees, as applicable.

A fee payment may be required for each certificate issued by EPA.
  • For more details, go to: Fees Information

h2>STEP 5: Prepare certification application materials.

For each model year for an Engine Family, you must provide the applicable certification dataset and supporting materials.

Support Documentation for Submissions

Materials Specific to ATVs and Dirt Bikes

You may need Free Viewers to view files on this page.
  • MC/ATV Business Rules Release 27.0 (XLS) (xls)
  • MC/ATV Data Requirements Release 27.0 (XLS) (xls)
  • MCATV Schema Change Log 27.0
  • XML Schema for MCATV – Release 27.0 (ZIP) (zip)
  • Certification materials for ATVs & dirt bikes
    Includes certification guidance, recommended application format, applicable regulations, and a spreadsheet to determine the road load force target coefficients and coastdown calibration times for vehicles over 870kg.

Materials for All EV-CIS Users

  • Software release notes for EV-CIS
  • EV-CIS documentation for request for certificate (RFC) module 

STEP 6: Submit the completed certification application materials in EV-CIS.

Login to EV-CIS through the CDX portal: Central Data Exchange (CDX)

Click the applicable industry role on the MyCDX homepage.

Submit the completed certification dataset and upload any required supporting materials.

STEP 7: Confirm that your submission(s) from Step 6 were accepted by EV-CIS.

Within a few minutes of all submissions, the submitter will receive a notification in their CDX inbox indicating whether the submission was accepted or rejected.

To access your CDX inbox, click the "Inbox" link on the left navigation bar of the MyCDX homepage.

STEP 8: Submit a request for certificate (RFC).

A CROMERR signer must submit an RFC for each Engine Family.

To do so, click the "CROMERR Signer" role on your MyCDX homepage.

Additional resources:
  • For more about submitting an RFC, see: Webinar and Demonstration

STEP 9: Receive Certificate of Conformity.

The CROMERR signer will receive the certificate in his or her CDX inbox.

To access your CDX inbox, click the "Inbox" link on the left navigation bar.

Vehicle and Engine Certification

  • Onroad
  • Nonroad
  • EV-CIS
Contact Us about Vehicle and Engine Certification
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 20, 2025
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