2.
A competent authority may refuse to act on a request for information or a request to cooperate with an investigation only in the following exceptional circumstances, namely where: communication of relevant information could adversely affect the security of the Member State addressed, in particular the fight against terrorism and other serious crimes; complying with the request is likely adversely to affect its own investigation, enforcement activities or, where applicable, a criminal investigation; judicial proceedings have already been initiated in respect of the same actions and against the same persons before the authorities of the Member State addressed; or a final judgment has already been delivered in relation to such persons for the same actions in the Member State addressed.
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Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.