The traceability of blood products is an essential part of hemovigilance an
d transfusion safety. Law no 94-68 of 24 January 1994 is the legal foundati
on of the system of traceability. In this article, the structures of the sy
stem and the main actors are discussed. An evaluation of the system of trac
eability showed that it is both feasible and adaptable. An evaluation proce
ss is needed to assess the proper functioning of the system and to detect a
nd prevent possible deficiencies. (C) 2000 Editions scientifiques et medica
les Elsevier SAS.