On 14 December 2011, the EFTA Surveillance Authority lodged a formal application with the EFTA Court. The EFTA Court opened the Case E-16/11 – EFTA Surveillance Authority v Iceland on 15 December 2011. Defence by the Government of Iceland was received by the Court on 8 March 2012 and a reply from the EFTA Surveillance Authority was received on 11 April 2012. The Governments of United Kingdom, Netherlands, Liechtenstein and Norway, as well as the European Commission have also filed written observations.