StacksVerified U.S. regulatory reference

49 CFR §383.121

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
In order to obtain a hazardous materials endorsement, each applicant must have such knowledge as is required of a driver of a hazardous materials laden vehicle, from information contained in 49 CFR parts 171, 172, 173, 177, 178, and 397, on the following:
  1. (a)Hazardous materials regulations including:
    1. (1)Hazardous materials table;
    2. (2)Shipping paper requirements;
    3. (3)Marking;
    4. (4)Labeling;
    5. (5)Placarding requirements;
    6. (6)Hazardous materials packaging;
    7. (7)Hazardous materials definitions and preparation;
    8. (8)Other regulated material (e.g., ORM-D);
    9. (9)Reporting hazardous materials accidents; and
    10. (10)Tunnels and railroad crossings.
  2. (b)Hazardous materials handling including:
    1. (1)Forbidden materials and packages;
    2. (2)Loading and unloading materials;
    3. (3)Cargo segregation;
    4. (4)Passenger carrying buses and hazardous materials;
    5. (5)Attendance of motor vehicles;
    6. (6)Parking;
    7. (7)Routes;
    8. (8)Cargo tanks; and
    9. (9)“Safe havens.”
  3. (c)Operation of emergency equipment including:
    1. (1)Use of equipment to protect the public;
    2. (2)Special precautions for equipment to be used in fires;
    3. (3)Special precautions for use of emergency equipment when loading or unloading a hazardous materials laden motor vehicle; and
    4. (4)Use of emergency equipment for tank vehicles.
  4. (d)Emergency response procedures including:
    1. (1)Special care and precautions for different types of accidents;
    2. (2)Special precautions for driving near a fire and carrying hazardous materials, and smoking and carrying hazardous materials;
    3. (3)Emergency procedures; and
    4. (4)Existence of special requirements for transporting Class 1.1 and 1.2 explosives.
  5. (e)Operating practices and procedures not otherwise specified.