Answer:
To my knowledge, there is no regulatory guidance or industry standard regarding currency exchanges for non customers. The legitimate concerns are 1) BSA/AML and 2) exposure to "quick change" artists.
From conversations with community bankers, most indicate they would cash one bill for a non-customer. However, it generally stops there. Some will not do anything with a non customer.
First published on BankersOnline.com 5/1/06