Judgment_paragraph 34 · Hungary v European Parliament (C-650/18)

34Moreover, this interpretation of Article 269 TFEU contributes to the observance of the principle that the European Union is a union based on the rule of law which has established a complete system of legal remedies and procedures designed to enable the Court of Justice of the European Union to review the legality of acts of the EU institutions (see, to that effect, judgments of 23 April 1986, Les Verts v Parliament, 294/83, EU:C:1986:166, paragraph 23; of 28 March 2017, Rosneft, C‑72/15, EU:C:2017:236, paragraph 66 and the case-law cited; and of 5 November 2019, ECB and Others v Trasta Komercbanka and Others, C‑663/17 P, C‑665/17 P and C‑669/17 P, EU:C:2019:923, paragraph 54).