Although cabinetmakers have traditionally repaired furniture, Tigréat discusses the reasons why furniture makers are not the best people to restore historic pieces. He presents the charter, ratified by a number of French conservation associations (Union Syndicale des Peintres Restaurateurs des Musées de France, Association des Élèves et Anciens Élèves de l'Institut Français de Restauration, etc.) in 1984, which established a code of practice for art restorers.