Provision of a shelf management system and method for semiconductor devices enabling efficient use of a reference wafer storage shelf and also enabling stop of process progress of product lot in case of unusual data representing reference wafer measurement results. The Network Access Server enables access over a data communication network to the communication device as well as to a plurality of Virtual Private Networks. The lid is configured with an engagement portion having a lid flange that is positioned within the perforated channel when the packaging is closed, thereby prohibiting access to the lid flange and preventing the opening of and tampering with the packaging piece.