Judgment of the General Court (Ninth Chamber) of 28 October 2020.#Franklin Dehousse v Court of Justice of the European Union.#Access to documents – Court of Justice of the European Union – Documents held by an institution in the exercise of its administrative functions – Article 266 TFEU – Decision adopted to give effect to a judgment of the General Court – Measures necessary to give effect to a judgment delivered in an action for annulment – Presumption of non-existence or non-possession of documents – Plausible explanations making it possible to determine the reasons for the non-existence or non-possession of documents – Obligation to state reasons – Retention of documentation – Principle of good administration.#Case T-857/19.