1. Notwithstanding Article 57a(1) and (3) and without prejudice to Article 34(2), Member States may authorise the exchange of information between competent authorities in the same Member State or in different Member States, between the competent authorities and authorities entrusted with the supervision of financial sector entities and natural or legal persons acting in the exercise of their professional activities as referred to in point (3) of Article 2(1) and the authorities responsible by law for the supervision of financial markets in the discharge of their respective supervisory functions.
The information received shall in any event be subject to professional secrecy requirements at least equivalent to those referred to in Article 57a(1).
2. Notwithstanding Article 57a(1) and (3), Member States may, by virtue of provisions laid down in national law, authorise the disclosure of certain information to other national authorities responsible by law for the supervision of the financial markets, or with designated responsibilities in the field of combating or investigation of money laundering, the associated predicate offences or terrorist financing.
However, confidential information exchanged according to this paragraph shall only be used for the purpose of performing the legal tasks of the authorities concerned. Persons having access to such information shall be subject to professional secrecy requirements at least equivalent to those referred to in Article 57a(1).
3. Member States may authorise the disclosure of certain information relating to the supervision of credit institutions for compliance with this Directive to Parliamentary inquiry committees, courts of auditors and other entities in charge of enquiries, in their Member State, under the following conditions:
(a) the entities have a precise mandate under national law to investigate or scrutinise the actions of authorities responsible for the supervision of those credit institutions or for laws on such supervision;
(b) the information is strictly necessary for fulfilling the mandate referred to in point (a);
(c) the persons with access to the information are subject to professional secrecy requirements under national law at least equivalent to those referred to in Article 57a(1);
(d) where the information originates in another Member State, it shall not be disclosed without the express consent of the competent authorities which have disclosed it and, solely for the purposes for which those authorities gave their consent.