Dave Plumb wrote:
For prepay? Or with a Travelcard on? They're valid with a
Travelcard that
covers the relevant zones on them, because it isn't necessary to
touch
in/out unless there's a gate.

Aren't the pads also there to allow oyster season holders to resolve
their
journey (and avoid being charged extra on pre-pay), had they
continued on
WAGN for example.

If you have a season ticket it doesn't matter (at the moment). You
only get an unresolved journey if you start your journey outside the
boundary of any travelcard you have and don't end it. Or vice-versa