430 ILCS 10/4
The use of a liquefied petroleum gas container or containers by any person other than the person whose name, mark, initial or device shall be or shall have been upon such liquefied petroleum gas container or containers, without written consent or purchase of such marked and distinguished liquefied petroleum gas container, for the sale of liquefied petroleum gas, filling with liquefied petroleum gas, or the withdrawal of liquefied petroleum gas, or the possession of such liquefied petroleum gas containers by any person other than the person having his name, mark, initial or other device thereon, without the written consent of such owner, shall and is hereby declared to be presumptive evidence of the unlawful use, filling or refilling, transition of, or trafficking in of such liquefied petroleum gas containers.
430 ILCS 10/4