I wish to disagree with the first part of Reply #10
DaveNewcastle said:
I'm sure any legitimate complaint will be considered with the dilligence it deserves, based on its merits and the adequacy of its information - with or without a ticket. I will agree that a ticket or the details on a ticket might help in identifying the subject matter of the complaint, but that is all
Surely this leaves the door open for totally dishonest people, reading on the Internet about a seriously delayed service or route, to then write to the TOC falesly claiming that they were on that service and requesting compensation for the "delay".
In my own opinion, no TOC should consider a claim without a ticket as an indication that the claimant was genuinely affected.
Just as it is the passenger's responsibility to buy a ticket in the first place, it is also the passenger's responsibility to hang onto his/her ticket if they are thinking about making a claim for compensation.