Case T-373/15: Judgment of the General Court of 19 June 2019 — Ja zum Nürburgring v Commission (State aid — Individual aid in favour of the Nürburgring complex for the construction of a leisure park, hotels and restaurants as well as for the organisation of motor races — Decision finding the aid to be incompatible with the internal market — Decision finding that the reimbursement of the aid found to be incompatible does not concern the new owner of the Nürburgring complex — Action for annulment — No substantial effect on competitive position — Association — Status of negotiator — Inadmissibility — Decision finding no State aid after the preliminary examination stage — Action for annulment — Interested party — Legal interest in bringing an action — Admissibility — Breach of procedural rights of interested parties — No difficulties that would have required the initiation of a formal investigation procedure — Complaint — Sale of the assets of the beneficiaries of the State aid found to be incompatible — Open, transparent, non-discriminatory and unconditional tender process — Obligation to state reasons — Principle of sound administration)