Although the "$3,000 rule" produces records that don't seem to be in too much demand by law enforcement agents, you're risking serious criticism from your regulator. This rule is a prohibition on issuance of the official item until purchasers comply with your requests for information. You are supposed to be stopping unidentified parties in their tracks, but instead your employee chose not to "guard the door" to the U. S. financial system. At a minimum, I would study the rule and schedule targetted remedial training on it for all paying and receiving personnel and their managers. If your regulator picks up this violation, I'd want to be in a position to show how I nipped it in the bud.
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...gone fishing.