Interpretive Note to Recommendation 40 (other forms of international cooperation)
A. Principles applicable to all forms of international cooperation
Obligations on requesting authorities
1. When making requests for cooperation, competent authorities should make their best efforts to provide complete factual and, as appropriate, legal information, including indicating any need for urgency, to enable a timely and efficient execution of the request, as well as the foreseen use of the information requested. Upon request, requesting competent authorities should provide feedback to the requested competent authority on the use and usefulness of the information obtained.
2. Countries should not prohibit or place unreasonable or unduly restrictive conditions on the provision of exchange of information or assistance. In particular competent authorities should not refuse a request for assistance on the grounds that:
(a) the request is also considered to involve fiscal matters; and/or
(b) laws require financial institutions or DNFBPs (except where the relevant information that is sought is held in circumstances where legal privilege or legal professional secrecy applies) to maintain secrecy or confidentiality; and/or