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Contact Us about Vehicle and Engine Certification

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For questions regarding EV-CIS, formerly Verify System, account setup, please contact:
Email: ev-cisdpc@epacdx.net
For questions regarding EV-CIS issues or to report security incidents, please contact:
Email: evcishelpdesk@epacdx.net
For questions regarding EV-CIS CDX accounts, please contact:
Email: helpdesk@epacdx.net
Phone number: 1-888-890-1995
Type of assistance: • CDX account password resets
• Updates to CDX account information

For general questions, please contact:

Email: complianceinfo@epa.gov or complete the form below.


Mailing Address for EPA EV-CIS Team

US EPA
EV-CIS Team
OAR/OTAQ/CD
2000 Traverwood Drive
Ann Arbor, MI  48105

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Vehicle and Engine Certification

  • Onroad
  • Nonroad
  • EV-CIS
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 11, 2025
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