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You may retest online for the written certification exam ONE TIME. If you do not pass the retest, then you must wait six (6) months and attend the NBTC program again in order to try again for certification.

The cost for retaking the exam is $150.00.  Payment is required by credit card when setting up your exam time with the Asphalt Institute.

The documents below explain how to set up for the online exam as well as provide answers to frequently asked questions. After you have registered with Asphalt Institute, please contact Nicole Corbin at the Asphalt Institute with your exam date and time, (859) 288-4967. This will facilitate the issuance of your certificate and certification ID card. Please note that you have 6 months to take the online exam from the date of notification.