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Index of State of Delaware Business Licenses and Registrations

Certified Emission Repair Technician

Permits for the operation of vehicles driven by certified emission repair technicians during drive cycle testing

Permits are issued to Certified Emission Repair Technicians to allow them to drive vehicles without current registration on public roadways in order to complete repairs requiring drive-cycle testing for OBD-II sensor readiness purposes.

More Information

Department: DNREC

Division: Air Quality

Office: Area Source Compliance


Permit periods range from one to five years so that permit expiration coincides with the expiration of ASE-L1 or DEEP certification.


$25 per year; fees of $25 to $125 are charged, depending on the length of permit period (1-5 years).

Application Form

Applicable Rules and Regulations
(See section 8)


Valerie Gray can be contacted by email at and by phone at 302-739-9402.


This search covers most of the frequently requested licenses, certifications, registrations, and filings that the State of Delaware requires. However, this is not a fully exhaustive list of every possible requirement. Please consult with the appropriate state agencies to find out if there are additional requirements you must fulfill.

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