I've always been signed up or at least I get all the emails and junk mail from
FGW▸ /
GWR▸ . That's what made me think its all a bit random especially as there doesn't seem to be a central database for season tickets. Maybe it is a local offer. Interesting to know if there is a 'process' behind it.
Oh well at least I got £25 on the premiums bonds this month