<GetOrderStatus> <ClientID>API_ClientID </ClientID> <UserID>API_UserID </UserID> <Password>API_Password </Password> <SecurityKey>API_SecurityKey</SecurityKey> <Order> <OrderNum>1001</OrderNum> </Order> <Order> <OrderNum>1002</OrderNum> </Order> <Order> <OrderNum>1003</OrderNum> </Order> </GetOrderStatus>