It's outside the perimeter of Regulation DD, but you do need to provide your customer information on what you are providing (benefits) and what the customer must do to earn those benefits. When you do that, you need to be careful to make the "rules" clear and understandable. Some of the concerns are outlined in my post above.
You also want to make sure that when the customer meets the qualifications each measurement period, the reward gets posted without the customer having to contact the bank and remind someone about the benefit. If it's not automatic, you'll have problems.
Avoid pinning any benefit on "average collected" or "minimum available" balance or any other measurement the customer can't readily determine.
You have to avoid anything that might be considered unfair or deceptive.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8