Amazon > Orders
If “Customer Account” param is set on “Create Customer”, a new customer will be create on order importation if customer email doesn’t exists in Magento. Else, guest customer account will be used.
If “Create Invoice” param is on “Yes” (default value), an invoice will be created for each imported orders.
Shipping confirmation are send every 20 minutes, if the option is enabled in country settings. The confirmation is sent if the order is complete in Magento and shipment has a valid tracking number.