For each shipment of a package has a packing slip are required. On this parcel label, the address of the sender and the recipient is noted as well as the tariff for the transport. In the meantime, the parcel label can be filled in online and contains an individual number for each consignment, which is linked to the addresses. If the package together with the package sticker arrives at a new transshipment point, the specified workflow for the respective consignment can be read out with the help of the number. The postal parcel label also serves as a check to the parcel courier and the information ensures that the parcel is delivered to the right recipient.