L' will verify your application request as a handler (you must be registered in the register published on the portal KZS http://www.enci.it/addestratori-e-handler/registro-handlers). You can register for exhibitions dogs of other owners who have already been registered by them on the portal, but, of course, you can register and register dogs in your possession.
If your Guide role is not approved, you can continue to manage dogs you own using the same username.