In my experience, most banks do not have the customer sign an authorization form to obtain a report when the customer is opening a personal account for themselves.
However, if you want to obtain a report on a SIGNER who doesn't own the account (for example, a corporate account where the signers will be the President and a bookkeeper), then you must obtain a signed authorization since you do not have a "permissible purpose."
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CRCM,CAMS
Regulations are a poor substitute for ethics.
Just sayin'