The New York Application for a Hazardous Materials Endorsement (HE) is an application designed to grant a commercial driver's license holder permission to transport hazardous materials in the state of New York. This application is required for any driver who wishes to transport hazardous materials in a commercial motor vehicle in New York. There are two types of New York Application for a Hazardous Materials Endorsement: Class A and Class B. The Class A HE is required for drivers of vehicles that have a gross vehicle weight rating of 26,001 pounds or more. The Class B HE is required for drivers of vehicles that have a gross vehicle weight rating of 26,000 pounds or fewer. To be eligible for a New York HE, applicants must be at least 21 years old, have a valid commercial driver's license, and pass a written knowledge test. Applicants must also have a valid medical certification and a valid hazardous materials safety permit. Applicants must also submit an up-to-date background check and proof of residency in New York.