COMAR 03.03.03.13 — § 13 Hazardous Material Placarding or Labeling.

.13 Hazardous Material Placarding or Labeling.
Vehicles transporting motor vehicle fuel or aviation fuel in one or more cargo tanks having a combined capacity exceeding 1,000 pounds (approximately 140 U.S. gallons), shall display on all 4 sides of the vehicle, hazardous materials placards as prescribed by the United States Department of Transportation.