Fees for the use of an ATM would be Regulation E disclosures. This particular fee is disclosed under section 1005.7(b)(5). There is no requirement that you disclose that you waive the fee.
On the other hand, why would you waive a fee unless you can use the waiver as a reason for someone to open or keep an account with you? If you don't include the waiver in your disclosure, I have to assume you tell customers and prospective customers about the waiver. Otherwise, why leave the money on the table?
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8