Stop Fentanyl Money Laundering Act of 2025

This bill gives the Treasury Secretary authority to identify foreign financial institutions or transactions as primary money laundering concerns for fentanyl trafficking, requiring U.S. domestic financial institutions to implement specific anti-money laundering measures. It mandates updated advisories for banks to identify Chinese professional money laundering schemes facilitating fentanyl trafficking, incorporating three existing financial crime advisories. The bill also requires the Financial Crimes Enforcement Network to issue guidance for reporting suspicious transactions linked to transnational criminal organizations trafficking narcotics. These provisions directly affect U.S. banks and financial agencies by imposing new reporting obligations and compliance requirements related to fentanyl-related money laundering.