63In the light of the foregoing considerations, the answer to the question referred is that Article 50 of the Charter must be interpreted as precluding national legislation which permits the possibility of bringing administrative proceedings against a person in respect of unlawful conduct consisting in market manipulation for which the same person has already been finally convicted, in so far as that conviction is, given the harm caused to the company by the offence committed, such as to punish that offence in an effective, proportionate and dissuasive manner.
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