In message , at 13:00:08 on Thu, 18 Sep
2014, Mizter T remarked:

RPIs do ask to see associated Railcards.

Good. Whether a paper, Oyster or CPC trip, I hope they would.

The point is, how do they know a CPC has a Railcard associated with it
or not (without a live query of the database) ?

OK, I see the problem.
--
Roland Perry