Data / Federal rules / 2026-04033

Proposal of Special Measure Regarding MBaer Merchant Bank AG as a Financial Institution Operating Outside of the United States of Primary Money Laundering Concern

The Financial Crimes Enforcement Network published this proposed rule in the Federal Register on March 2, 2026. Comments closed on April 1, 2026.

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What the agency says

FinCEN is issuing a notice of proposed rulemaking, pursuant to section 311 of the USA PATRIOT Act, that finds MBaer Merchant Bank AG (MBaer), a financial institution based in Switzerland, to be of primary money laundering concern, and proposes imposing a special measure to: (1) prohibit U.S. financial institutions from opening or maintaining a correspondent account for, or on behalf of, MBaer; (2) require U.S. financial institutions to take reasonable steps not to process a transaction for the correspondent account in the United States of a foreign banking institution if such a transaction involves MBaer; and (3) require U.S. financial institutions to apply special due diligence to their foreign correspondent accounts that is reasonably designed to guard against their use to process transactions involving MBaer.

Key facts

Document number: 2026-04033
Type: Proposed rule
Action: Notice of proposed rulemaking
Agency: Treasury Department; Financial Crimes Enforcement Network
Published: March 2, 2026
Comments due: April 1, 2026
Dates: Written comments on the notice of proposed rulemaking must be submitted on or before April 1, 2026.
Regulation ID (RIN): 1506-AB71
Code of Federal Regulations: 31 CFR 1010
Topics: Administrative practice and procedure; Banks, banking; Brokers; Crime; Foreign banking; Terrorism
Pages: 15

The document on federalregister.gov PDF

Other documents from the Financial Crimes Enforcement Network

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Requirements for Certain Transactions Involving Convertible Virtual Currency or Digital Assets; Withdrawal 2026-20430 · significant	Proposed rule	Oct 6
Proposal of Special Measure Regarding Convertible Virtual Currency Mixing, as a Class of Transactions of Primary Money Laundering Concern; Withdrawal 2026-20429 · significant	Proposed rule	Oct 6
Proposal of Special Measure Prohibiting the Transmittal of Funds Regarding Transactions Involving the A7 Network's Sub-Agents 2026-20371	Proposed rule	Oct 5
Geographic Targeting Order Imposing Recordkeeping and Reporting Requirements on Certain Money Services Businesses Along the Southwest Border 2026-18194	Final rule	Sep 4
Proposal of Special Measure Regarding Banque Misr UAE as a Financial Institution Operating Outside of the United States of Primary Money Laundering Concern 2026-17871	Proposed rule	Sep 1
Beneficial Ownership Information Reporting Requirement Revision 2026-16576 · significant	Final rule	Aug 14
Geographic Targeting Order Imposing Recordkeeping and Reporting Requirements on Certain Financial Institutions in Minnesota 2026-16365	Final rule	Aug 11
Proposed Amendment to the Definition of Huione Group, a Financial Institution Operating Outside the United States of Primary Money Laundering Concern; Extension of Comment Period 2026-15030	Proposed rule	Jul 24

Everything from the Financial Crimes Enforcement Network · Rules on administrative practice and procedure · Rules on banks, banking · Rules on brokers · Published in March 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.