Originally Posted by BoSoxinBkk
BA IST issued me an eticket for my DONE3 two weeks ago. If this is their regular procedure, then there is now no reason to visit their office or ticket counter at the airport.
That is certainly the way to go if your ITN consists under 16 segments with certain airlines, we had to include some AY segments into our DONE ticket so e-ticket was not an option, that's why I mentioned the issue about mailing.
Cheers