Originally Posted by nielsdc

As far as I know, a change to the first flight will usually need a reissue, because the ticket validity will change. (As the ticket is valid until 1 year after the first flight). If it doesn't require a reissue, it would be a nice way to create a ticket which will be valid for more than a year. (i.e. buy a ticket starting in a year, and move the first flight to next week. You now have a ticket which is valid for almost 2 years). I very much doubt they would allow that though...