100Accordingly, where an applicant takes the view that the Commission wrongly found that the detailed rules for the payment of individual aid under a previously authorised aid scheme did not comply with that previous authorisation, that applicant’s line of argument must be understood as criticising the Commission’s refusal to recognise that aid as ‘existing aid’ within the meaning of Article 1(b)(ii) of Regulation 2015/1589, that is to say, as an aid scheme or individual aid authorised by the Commission or by the Council of the European Union.