OCC 2003-44 OCC Bulletin Subject: Proposed Revisions to Risk-Based Capital Regulations Implementing the New Basel Capital Accord Description: Proposed Treatment of Expected and Unexpected Loss Date: October 29, 2003 TO: Chief Executive Officers of All National Banks, Federal Branches and Agencies, Department and Division Heads,and All Examining Personnel The U.S. banking agencies (Office of the Comptroller of the Currency, Federal Reserve Board, Federal Deposit Insurance Corporation, and Office of Thrift Supervision) are currently seeking comment on a proposed framework for implementing the New Basel Capital Accord in the United States through an advance notice of proposed rulemaking (ANPR). This bulletin transmits a notice describing how interested parties can avail themselves of an additional comment process on this proposed framework. This new comment process seeks specific public comment on the treatment of expected and unexpected losses in the internal ratings-based (IRB) approach to credit risk. As the attached interagency statement indicates, interested persons are encouraged to review and comment on both the ANPR and the attached document. The agencies will seek comment on the ANPR through November 3, 2003. The agencies will also consider comments on the proposed treatment of expected and unexpected losses received through December 31, 2003, whether those comments are received directly by the agencies or by the Basel Committee on Banking Supervision. __________________________________ Emory W. Rushton Senior Deputy Comptroller and Chief National Bank Examiner Attachment: Proposed Treatment of Expected and Unexpected Losses