Understandably, internationally active banks are keenly interested in cooperative arrangements among supervisors for evaluating capital adequacy under Basel II. Several years ago, the Accord Implementation Group (AIG) was formed as a subcommittee of the Basel Committee for supervisors to discuss the tactical issues associated with cross-border supervision.
Most recently, and in cooperation with the representatives of the Core Principles Liaison Group (non-Group of Ten supervisors), a joint working group was established to consider enhancing guidelines for information sharing among home and host supervisors.