123As has been acknowledged by case-law, the legality of a Community measure must be assessed on the basis of the elements of fact and of law existing at the time when the measure was adopted (judgments of 7 February 1979 in France v Commission, 15/76 and 16/76, ECR, EU:C:1979:29, paragraphs 7 and 8, and 12 December 1996 in Altmann and Others v Commission, T‑177/94 and T‑377/94, ECR, EU:T:1996:193, paragraph 119). It follows that elements post-dating the adoption of the European Union measure cannot be taken into account in assessing the legality of that measure (judgment of 27 September 2006 in Roquette Frères v Commission, T‑322/01, ECR, EU:T:2006:267, paragraph 325).…