A series of business objects define business objects containing all the basic information required traceability have been generated starting from the composition of each batch. The data present in the model have been classified. A data classification was carried out in order to distinguish the data required for the internal traceability from those required for the external traceability. The information which refers to the internal traceability is only available for the actors present in the company object of interest or for the Control Authority which expressly request them.