A SoftLayer_Billing_Item_Network_Application_Delivery_Controller_LoadBalancer represents the [SoftLayer_Billing_Item](/reference/datatypes/SoftLayer_Billing_Item) related to a single [SoftLayer_Network_Application_Delivery_Controller_LoadBalancer_VirtualIpAddress](/reference/datatypes/SoftLayer_Network_Application_Delivery_Controller_LoadBalancer_VirtualIpAddress) instance.