It is unlawful to manufacture, offer or expose for sale, or sell or give away, for use in trade or commerce, or to use in trade or commerce, any weight or measure or weighing or measuring device which does not have cast, stamped, etched or otherwise marked thereon the name of the manufacturer and the serial number of the approved type to which it belongs. Whenever it appears to the satisfaction of the Department that any type of weight or measure or weighing or measuring device is impracticable to mark, as required by this Section, the Department shall furnish an identification plate for registration and tracking purposes.
225 ILCS 470/36