f. Payment and Billing Information</strong> <br>By providing a payment method that SmileBack accepts, Customer represents and warrants that Customer is authorized to use the designated payment method and that Customer permits SmileBack (or our third party payment processor) to charge Customer’s payment method for the total amount of Customer’s Subscription or other purchase (including any applicable taxes and other charges). If the payment method cannot be verified, is invalid or is otherwise not acceptable, Customer’s order or Subscription may be suspended or cancelled.