In message , at 17:14:45 on Tue, 27
Aug 2013, Barry Salter remarked:
A Freedom Pass (and 60+ Oyster) is treated as a Season Ticket (albeit a
time-restricted one) for the purposes of Condition 19(c) of the
National Conditions of Carriage,

That's very helpful, thanks.

thus the train does not need to stop at the relevant station as long as
you're travelling on a participating TOC (i.e. all of them except East
Coast, EMT, Grand Central, Heathrow Express, Hull Trains and Virgin).

That list is almost as long as a "what did the Romans do for us" list.
--
Roland Perry