Browse Regulation

Bank Secrecy Act (BSA): U.S. Legislation to Prevent Money Laundering

The Bank Secrecy Act (BSA) is a U.S. law directing financial institutions to maintain records and file reports that are critical in detecting and preventing money laundering activities.

The Bank Secrecy Act (BSA), also known as the Currency and Foreign Transactions Reporting Act, is a landmark U.S. legislation aimed at combating money laundering and other financial crimes. Enacted in 1970, this law mandates financial institutions to keep detailed records and file specific reports that help regulatory authorities in identifying and preventing illegal financial activities.

Key Provisions

  • Currency Transaction Reports (CTR): Financial institutions are required to file CTRs for transactions involving more than $10,000 in cash.

  • Suspicious Activity Reports (SAR): Institutions must file SARs when transactions suggest potential money laundering or other suspicious activities, regardless of the amount.

  • Record Keeping: Institutions must maintain records of certain financial transactions, customer identities, and account information.

  • Identification of Beneficial Owners: Regulations demand the identification of individuals who ultimately own or control accounts to prevent anonymous transactions.

Importance

The BSA plays a critical role in the detection and prevention of money laundering, terrorism financing, tax evasion, and other financial crimes. By creating an audit trail, the BSA helps regulatory agencies and law enforcement track illegal activities and maintain the integrity of the financial system.

Applicability

The BSA applies to all U.S. financial institutions, including banks, credit unions, and other money services businesses. These institutions must comply with the BSA’s reporting and record-keeping requirements to avoid penalties and ensure the security of their operations.

  • Anti-Money Laundering (AML): Procedures, laws, and regulations to prevent, detect, and report money laundering activities.
  • Financial Crimes Enforcement Network (FinCEN): U.S. government agency that enforces the BSA and other financial crime-related laws.
  • Know Your Customer (KYC): Financial institutions’ process of verifying the identity of their clients.

FAQs

What is the purpose of the Bank Secrecy Act?

The primary purpose is to detect and prevent money laundering and other financial crimes.

Who enforces the Bank Secrecy Act?

The Financial Crimes Enforcement Network (FinCEN) is the primary enforcement agency.

Are all financial transactions monitored under the BSA?

Not all, but specific transactions above $10,000 and those deemed suspicious are subject to reporting.
Revised on Monday, May 18, 2026