Judgment of the General Court (Third Chamber) of 13 June 2012. Conseil scientifique international pour le développement des îles (Insula) v European Commission. Arbitration clause - Financing contracts for research and development projects -MEDIS and Dias.Net contracts - Lack of supporting documents and non-compliance with the contractual requirements in respect of some of the declared expenses - Retention of a sum intended for another co-contractor - Reimbursement of sums advanced - Partial inadmissibility of the action - Counterclaim by the Commission - Partial removal of need to adjudicate in relation to the counterclaim. Case T-246/09.