Judgment_paragraph 80 · European Commission v Gmina Miasto Gdynia and Port Lotniczy Gdynia Kosakowo sp. z o.o (C-56/18 P)

80However, in principle, a procedural irregularity will entail the annulment of a decision in whole or in part only if it is shown that in the absence of such irregularity the decision being challenged might have been substantively different (judgment of 23 April 1986, Bernardi v Parliament, 150/84, EU:C:1986:167, paragraph 28, and the case-law cited).