1. Go to account.dat.com and login with your credentials.
  2. Navigate to the Billing & Invoices section.
  3. Under Other Payment Method, click ADD PAYMENT  METHOD.
  4. Complete the form. Check the box "I confirm all information is correct and accurate". Click SAVE
  5. Review and agree to the Direct Debit Authorization form.  Click CONFIRM.
  6. Once confirmed, your ACH account will be saved and set as your autopay method. Your credit card will remain on file as a backup — that's required.