"elyob" typed
Helen, they are only making a charge for using a credit card, not for
topping up the oyster card. The fact that they *only* charge this fee on
oyster is the point of contention. However, it is their business and they
can reclaim their fees any way they like. If the OP went to a cashpoint
knowing that they needed to top up their oyster card, there would be no
charge.
If he used the cashpoint (if there were one) at the newsagent, there
might be a £1.50 charge...
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Helen D. Vecht:
Edgware.