Originally Posted by
subject2load
Even the definition of the very word "ticket" is perhaps not as clear-cut as it might seem.
I am not sure where your definition of the ticket is not so clear cut but 261/2004 is very specific in its definition:
(f) "ticket" means a valid document giving entitlement to transport, or something equivalent in paperless form, including electronic form, issued or authorised by the air carrier or its authorised agent;