Franz Jayot, Temporary exportation of public archival materials for exhibition : a case study. The article intends to guide the readers through the labyrinth of regulations, sometimes contradictory to each other, in describing how the Municipal Archives of Sèvres managed to send an archival exhibition to the Federal Republic of Germany. The first part describes the studies which led to the choice of air transportation on a regular line with an accompanying convoy, and how the carrier was chosen. The second part describes the administrative procédures with the Direction des Archives de France , the Direction des Musées de France and the Bibliothèque nationale. The system of the " carnet de transit intra-communautaire recommended by the Direction des Douanes, is explained. The story of the actual transportation, with its incidents and constraints, is told. The conclusion points out the feasibility of the process, on the condition that certain precautions are taken.