Question If a person has a hazardous materials endorsement and renounces their U.S. citizenship: Answers They may keep their license until it expires. They may keep their license unless they are pulled over. They should not tell anyone. They must surrender their hazardous materials endorsement within 24 hours. Explanation If applicable, you must surrender your hazardous materials endorsement within 24 hours of renouncing your U.S. citizenship. Take a FREE Practice Test Now This questions appears in the following tests: Indiana Knowledge Test Class A ,