42Also in accordance with the Court’s settled case-law, the principle of the protection of legitimate expectations may be relied on by any economic operator on whose part national authorities have created reasonable expectations. However, where a prudent and circumspect economic operator could have foreseen the adoption of a measure likely to affect his or her interests, he or she cannot plead that principle if the measure is adopted. Moreover, economic operators cannot justifiably claim a legitimate expectation that an existing situation which may be altered by the national authorities in the exercise of their discretionary power will be maintained (judgment of 11 July 2019, Agrenergy and Fusignano Due, C‑180/18, C‑286/18 and C‑287/18, EU:C:2019:605, paragraph 31 and the case-law cited).
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