Report the case to the public security organ. If an invoice is found in the garbage can of the toll station, it should be reported to the local public security organ as soon as possible and returned for timely treatment. There are important information on the invoice, such as invoice type, invoice code and invoice number. As long as it is reported to the public security organ for registration, it can prevent the invoice from being sold or illegally used. Toll station is a facility for collecting transportation or tolls, which is usually set on expressway.