Information about becoming a licensed motor vehicle dealer can be found on the Department of Revenue’s Dealer/Lienholder website and in the Dealer Operating Manual. To request an Application for Dealer License (Form 4682), you may complete the web form below.nformation about becoming a licensed motor vehicle dealer can be found on the Department of Revenue’s Dealer/Lienholder website and in the Dealer Operating Manual. To request an Application for Dealer License (Form 4682), you may complete the web form below.