A compalsory incident reporting is operating in Norway, as part of the implementation of the medical devices directives (MDD). Iincidents are being handled locally by the quality councils and only if they prove of importance they are entered into the central database. As for the MDD Vigilance, exchange of information concerning investigation and follow up of incidents is forming a different part of the reporting system. The different possibilities of use of registers, in Norway and accordingly in the European Union, is analysed further in this paper.