Where possible, it's a good practice to obtain as much identifying information as you can, including an address and, if applicable, mailing address. That can help when the account owner dies, assuming the beneficiary designations haven't changed. It can be easier to contact, and to verify the ID of individuals claiming to be, beneficiaries with this information.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8