disloyalty fee
n.— «In Canada, consumer groups have been upset over white label ATMs—ones that aren’t clearly affiliated with a bank. The person is first charged $1 to $2 for using the machine, then another $1 or more from their bank (a disloyalty fee) and then perhaps a third smaller bank charge depending on the kind of account they have.» —“California cities challenge ATM surcharge” CBC (Canada) Jan. 21, 2002. (source: Double-Tongued Dictionary)
Further reading
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