Case T-425/18: Judgment of the General Court of 22 September 2021 — Altice Europe v Commission (Competition — Concentrations — Telecommunications sector — Decision imposing fines for putting into effect a concentration before it has been notified and authorised — Article 4(1), Article 7(1) and Article 14 of Regulation (EC) No 139/2004 — Legal certainty — Legitimate expectations — Principle of legality — Presumption of innocence — Proportionality — Gravity of the infringements — Implementation of the infringements — Exchange of information — Amount of fines — Unlimited jurisdiction)