Jack Taylor wrote:
My
understanding of the current situation was that it was necessary to stop at
the boundary station when "transferring" between two tickets, except where
the ticket is an add-on to a season ticket.

Section 19 (c) of the Conditions of Carriage concurs:
http://www.nationalrail.co.uk/system...misc/NRCOC.pdf

(TfL is not a PTE)

U

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