Question If a person has a CDL and moves to another state: Answers They should continue to use the license until it expires. They can keep the license but should get a sticker indicating an address change. They must retake all the tests to re-certify for a CDL. The must get a new license. Explanation To drive a commercial motor vehicle in West Virginia, you must apply to transfer your CDL within 30 days of establishing residence in the state. This questions appears in the following tests: West Virginia Class B Knowledge Test