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IE Insights: Case Study – 2015 Commerzbank Enforcement Action


In March 2015, Commerzbank AG, a major international commercial bank based in Germany, faced significant enforcement actions due to its non-compliance with U.S. sanctions and anti-money laundering (AML) regulations. This case study explores the circumstances leading to these enforcement actions, the bank’s response, and the implications of these sanctions.


Commerzbank AG is one of Germany’s leading financial institutions with a significant presence in the global banking arena. However, from 2002 to 2008, the bank engaged in a series of transactions that violated U.S. economic sanctions against Iran and Sudan. Concurrently, Commerzbank’s New York branch also failed to detect and report suspicious activities, violating AML regulations.

Unveiling of the Misconduct

The bank engaged in practices known as “stripping,” which involved removing or disguising references to sanctioned countries in transaction documents. By doing so, they allowed over $263 million worth of transactions with Iranian and Sudanese entities to pass undetected through U.S. correspondent banks, violating U.S. sanctions.

Simultaneously, in the AML case, Commerzbank’s New York branch overlooked several red flags relating to an account held by the Olympus Corporation, which was involved in a $1.6 billion accounting fraud scandal. By not adhering to adequate AML procedures, the bank allowed suspicious transactions to occur without proper scrutiny.

Regulatory Investigation and Enforcement Action

Following investigations by U.S. regulatory and law enforcement agencies, including the Department of Justice (DOJ), the Treasury Department’s Office of Foreign Assets Control (OFAC), and the New York State Department of Financial Services (DFS), Commerzbank faced significant enforcement actions.

In March 2015, Commerzbank agreed to a deferred prosecution agreement and a total penalty of $1.45 billion. The penalties were divided between various regulatory bodies: $260 million to DFS, $610 million to OFAC, $300 million to the Federal Reserve, and $172 million to the Financial Crimes Enforcement Network (FinCEN).

Additionally, Commerzbank was also directed to take significant remedial actions, which included improving its risk management and compliance practices, employing an independent monitor, and terminating the employment of several individuals involved in the misconduct.

Aftermath and Lessons Learned

The enforcement action against Commerzbank was a powerful signal of the U.S. regulators’ determination to enforce sanctions and AML regulations strictly. It underscored the importance of maintaining robust compliance systems, even when operating outside the U.S., given the global reach of U.S. regulatory agencies.

For Commerzbank, the consequences went beyond financial penalties. The reputational damage had significant long-term effects on the bank’s relationships with its stakeholders, requiring significant effort and time to restore trust.

The Commerzbank case underscores the importance of robust, effective compliance systems and controls. Financial institutions worldwide must recognize the essential role of such systems in avoiding similar enforcement actions, protecting their reputation, and ensuring their operations are aligned with legal and ethical standards.