Case T-168/17: Judgment of the General Court of 30 January 2020 — CBA Spielapparate- und Restaurantbetrieb v Commission (Access to documents — Regulation (EC) No 1049/2001 — Documents relating to the administrative procedure concerning alleged State aid implemented by the Austrian authorities in favour to concession holders pursuant to the law on gaming — Refusal to grant access — Plea relating to the protection of the purpose of inspections, investigations and audits — Overriding public interest — Obligation to state reasons — Plea of illegality)