The UFC requires a permit from the local Fire Marshall and submittal of an operation plan to store, handle, or use more than 10 gallons of Class I liquids at an outside location, or 60 gallons of Class II or III liquids outside, except flammable and combustible liquids stored in a fuel tank on a motor vehicle. (UFC Secs. 7901.3, 105.8.f.3.2, and 105.8.f.3.3).