Article 35 2.

Member States shall provide for transfers without the prior authorisation by another Member State in accordance with point (c) of paragraph 1 to be permitted only if the transfer of the personal data is necessary for the prevention of an immediate and serious threat to public security of a Member State or a third country or to essential interests of a Member State and the prior authorisation cannot be obtained in good time. The authority responsible for giving prior authorisation shall be informed without delay.