Article 3(1) authorities shall be under no obligation to comply with a request referred to in Regulation 6 where to do so would -

(a) be contrary to the essential interests of the security of the State,

(b) jeopardise the success of an ongoing investigation or the safety of an individual, or

(c) disclose information relating to organisations or specific intelligence activities in the field of national security, but Article 3(1) authorities shall comply with the request as soon as the bank account information in question ceases to fall within the scope of paragraph (a), (b) or (c).