The Patriot Act kyc reporting requirements would have nothing to do with the delay. The reporting requirement is simply that. It isn't a wait and see to confirm it's ok. You just report the transaction after the fact.
It's all about the float.
The federal deposit rate for banks is 2.35% right now. That's $64 to the bank for every million dollars every day it is deposited at the fed.
Now imagine a large bank like chase is dealing with billions of dollars a day in transfers. Hold it several days when you receive a transfer and hold it several days before sending a transfer and you are making literally millions of dollars every month just for dragging your feet on transfers.
