Record the 1-digit Hazardous Materials Class Number. If the placard displays a two-digit number with decimal point (e.g., 1.1, 2.1, 5.2 etc.), record only the first digit (e.g., if the class number is "1.3" you should record "1").
Enter 0 if:
- there is no indication of hazardous materials for this vehicle (the INVOLVEMENT field is set to 00 - No); or
- hazardous materials were involved but the vehicle does not have a placard (the INVOLVEMENT field is set to 01 - Yes but the PLACARD DISPLAYED field is set to 00 - No); or
-
this motor vehicle is NOT a:
- commercial motor vehicle (see definition for commercial motor vehicle here),
- government vehicle, or
- personal rental vehicle over 10,000 lbs. operated by a private individual.