From the other side of the question -- The account is owned by consumers and they are protected by the prohibition on assessment of a fee for an overdraft triggered by an ATM or one-time debit card transaction if they have not opted in to your overdraft service for such transactions. They can't be denied that protection.
But Randy's analysis is the one to stick with, because it doesn't need to reach beyond Reg O for the answer.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8