61In so far as the procedure at issue in the main proceedings concerns the grant, in the context of ERDF programmes, of funding from the budget of the Union and that, as such, it constitutes a measure implementing EU law, it must also comply with the general principles of EU law, which include, in particular, the principles of equal treatment, transparency and proportionality which are of fundamental importance where a procedure involving economic operators is at issue (see, to that effect, judgment of 26 April 2017, Farkas, C‑564/15, EU:C:2017:302, paragraphs 50 and 59).
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