An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Vehicle and Engine Certification

Information Spreadsheet for Engines and Vehicles Compliance Information System (EV-CIS) User Registration

In this spreadsheet, users provide their company’s manufacturer code, user contact information, and user roles for EV-CIS.

Instructions for Selecting Roles

When completing the spreadsheet as part of your company’s registration package:
  • Each required role must be selected by at least one user.
  • A user can select multiple roles or a single role.

Required Roles for Each Company

Role Associated Actions
Company Approving Official (CAO) Identifies, vouches for, and manages the “EV-CIS Submitters” and “CROMERR Signers”
CROMERR Signer Takes legal responsibility for all of the information used as the basis for a request for certificate
EV-CIS Submitter Submits certification and compliance information to EV-CIS not including certificate requests

For more information about all roles, see: