Dont have direct link with law which talks about privacy coins.
My statement is based on pure logic- banks are accountable for knowing from where the money is coming to their accounts, they are enforcing these kind of rules to their customers.

Any exchange which is and will work with FIAT hs to have a bank account which has very high turnover. If the bank account holder can not track transactions tied to crypro transfers then they will not work with privacy coins. Too much of a risk for small profit form trading fees.