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Unlike with cards, there’s no single, centralized way to confirm an account is open, active and owned by the person or business getting paid. And, unlike the United Kingdom or European Union, the U.S. has no all-encompassing regulations requiring banks to employ strict verification.
From: How real-time pay is pressuring bank authentication | American Banker.
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In the US, fewer than a third of financial institutions have automated review of payments sent or received for money laundering, most reviews are still done manually when an account is opened.