138However, the Court has held that, exceptionally, the principle of openness will be capable of justifying, in judicial proceedings, the disclosure of a document of an institution that has not been released to the public and which contains a legal opinion where that legal opinion relates to a legislative procedure in respect of which enhanced openness is required (see, to that effect, judgment of 16 February 2022, Hungary v Parliament and Council, C‑156/21, EU:C:2022:97, paragraphs 56 to 59).
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