Supervision and Regulation (SR) Letters are issued by the Board of Governors to address significant policy and procedural matters related to the Federal Reserve System's supervisory responsibilities.

Some of the publicly available SR Letters that pertain to international banking include:

SR Letter 04-10 Banking Accounts for Foreign Governments, Embassies, and Political Figures
SR Letter 00-14 (SUP) Enhancements to the Interagency Program for Supervising the U.S. Operations
of Foreign Banking Organizations
SR Letter 90-21 (IB) Rating System for International Examinations

To find any of the publicly available Supervision and Regulation Letters issued by the Federal Reserve Board of Governors please go to the SR Letters Index.