On 3rd June 2010, the Department of Agriculture, Fisheries and Food (DAFF) informed the EPA of the unauthorised release of GM (genetically modified) event NK603 in conventional maize variety PR39T83. This release was subsequently confirmed by DAFF on 19th July 2010. The maize variety was supplied by Pioneer Hi-Bred Northern Europe and was in the process of being evaluated for cultivation and use under Irish farming conditions in DAFF small scale field trials.