All you need to do is revoke your Automated Clearing House (ACH) authorization ... s been debiting you and your account with the bank. The CFPB has sample letters for this as well.

Your bank account balance is negative ... You can at any time ask your bank to stop an overdraft authorization. In principle, you should send a letter to your bank. Contact your bank advisor ...

The findings further stated that Ms. Burton provided the imposter the account balances for the customer's accounts and attached a blank letter of authorization (LOA) form to complete and return to ...