Article 33 Confidentiality

1. The requesting Party may require that the requested Party keep confidential the facts and substance of the request, except to the extent necessary to execute the request. If the requested Party cannot comply with the requirement of confidentiality, it shall promptly inform the requesting Party.

2. The requesting Party shall, if not contrary to basis principles of its national law and if so requested, keep confidential any evidence and information provided by the requested Party, except to the extent that its disclosure is necessary for the investigations or proceedings described in the request.

3. Subject to the provisions of its domestic law, a Party which has received spontaneous information under Article 10 shall comply with any requirement of confidentiality as required by the Party which supplies the information. If the other Party cannot comply with such requirement, it shall promptly inform the transmitting Party.