Case T-403/12: Judgment of the General Court of 13 October 2015 — Intrasoft International v Commission (Public service contracts — Tendering procedure — Technical assistance to the Customs Administration of Serbia to support the modernisation of the customs system — Conflict of interests — Rejection of a tenderer’s bid by the Delegation of the European Union to the Republic of Serbia — Implicit rejection of the complaint against the rejection of the bid)