425 ILCS 40/10
It is unlawful for any person to kindle or authorize any other person to kindle a fire in the open air outside the limits of any city, village or incorporated town within an intensive fire protection district, except on land owned or controlled by a railroad corporation when the fire is for the purpose of clearing its right of way of dangerous combustible materials, during the months of February, March, April, October and November, or during such other times when fire hazard conditions are declared to exist by order of the Director in accordance with this Act, without first having obtained a burning permit issued by a forest fire warden for the District in which such burning shall take place, the burning in such case to be in strict compliance with the terms of the permit. Such permit is not required for the kindling of a fire in a plowed field, garden or public highway when such fire is kindled at a distance of 200 feet or more from any woodland, brush land or field containing dry grass or other combustible material. Any person violating this Section shall be guilty of a Class B misdemeanor.
425 ILCS 40/10