1.   Where the requested body becomes aware of circumstances that may lead to its estimated date of reply having to be deferred by more than 10 working days, it shall notify the requesting body without undue delay.

2.   Where appropriate, the requested body shall provide the requesting body with regular updates on the progress of a pending request, including revised estimates of the targeted date of reply.

3.   Where the request has been marked as urgent, the requested body shall consult with the requesting body on the frequency of updates that are required.

4.   The Specified bodies shall cooperate with each another in order to solve any difficulties that may arise in executing a request.