VISIOTT Enterprise Manager (Level 4) software is to generate and manage single-use serial numbers for traceability processes. All production, storage, and shipment facilities that are connected to the enterprise are defined in the software. It generates the unique serial numbers required for production. The facilities use generated unique codes, the codes processed at Level 2 and Level 3 are sent back again to Level 4 software. It stores unused codes so that they can be passed on to other operations.