Learn about this important form and how direct auto can help you stay legal. Webwhen you take you teenager in to the dmv to take the road test to get his or her license, one of the things you must have with you is a signed dl 123 form. This form will state. Webrequest a dl123, nc dl liability insurance certificate, (shows insured has nc insurance liability coverage and is required before getting a driver license). This form is valid for 30 days after completion by insurance agent.