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

Document 2026-04033 is a Proposed Rule published by the Department of the Treasury in the Federal Register on March 2, 2026. 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. View the original at https://www.federalregister.gov/documents/2026/03/02/2026-04033/proposal-of-special-measure-regarding-mbaer-merchant-bank-ag-as-a-financial-institution-operating.

No. Document 2026-04033 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.