The Office of the Comptroller of the Currency (OCC) is amending its regulations that require national banks to file criminal referral and suspicious transaction reports. This final rule streamlines reporting requirements by providing that national banks file a new Suspicious Activity Report (SAR) with the OCC and the appropriate Federal law enforcement agencies by sending SARs to the Financial Crimes Enforcement Network of the Department of the Treasury (FinCEN) to report a known or suspected criminal offense or a transaction that a bank suspects involves money laundering or violates the Bank Secrecy Act (BSA).