Judgment of the General Court (First Chamber) of 28 May 2020.#Darment Oy v European Commission.#Environment – Fluorinated greenhouse gases – Regulation (EU) No 517/2014 – Placing of hydrofluorocarbons on the market – Decision finding that an undertaking exceeded the quota allocated to it and imposing on it a penalty – Correction of the electronic registry for quotas – Transfer of quota – Authorisation to use a quota – Principle of good administration.#Case T-739/18.