How to File a Complaint Against Your Bank

From the FDIC's April 5th Tip of the Week

You have tried to resolve a problem with your financial institution, but haven't had much success. Did you know that you can request assistance from the bank's federal regulator? Learn more here if your bank is supervised by the FDIC; or here if it is supervised by one of the other agencies.

The FDIC's tip left out credit unions. Refer to this NCUA page if you have a complaint about your credit union.