12 C.F.R. § 214.2
In order that the Board of Governors of the Federal Reserve System may perform its statutory duty of exercising special supervision over all relationships and transactions of any kind entered into by any Federal Reserve Bank with any foreign bank or banker or with any group of foreign banks or bankers or with any foreign State, each Federal Reserve Bank shall promptly submit to the Board of Governors of the Federal Reserve System in writing full information concerning all existing relationships and transactions of any kind heretofore entered into by such Federal Reserve Bank with any foreign bank or banker or with any group of foreign banks or bankers or with any foreign State and copies of all written agreements between it and any foreign bank or banker or any group of foreign banks or bankers or any foreign State which are now in force, unless copies have heretofore been furnished to the Board. Each Federal Reserve Bank shall also keep the Board of Governors of the Federal Reserve System promptly and fully advised of all transactions with any foreign bank or banker or with any group of foreign banks or bankers or with any foreign State, except transactions of a routine character.
12 C.F.R. § 214.2