46Accordingly, as regards investigative measures taken by the Commission which relate to communications between lawyers and clients, it is apparent from settled case-law that the protection of their confidentiality precludes the Commission reading the content of such communications. Further, were the Commission to have read them, the protection of confidentiality would preclude the Commission using such communications as the basis for a decision imposing a fine for an infringement of European Union competition law (see, to that effect, judgment of 17 September 2007 in Akzo Nobel Chemicals and Akcros Chemicals v Commission, T‑125/03 and T‑253/03, ECR, EU:T:2007:287, paragraphs 86 to 88 and the case-law cited).