On the other hand, it's a lot easier to demonstrate that you acted in response to a bona fide LE request if, in fact, you have a document you can point to. If you're sued by your customer for divulging information in contravention of his/her rights, you'll want that safe harbor defense to be quick, decisive and ironclad.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8