Originally Posted by
biggestbopper
It is legal for a surcharge to be added to the cash price if a credit card is used AND if the extra cost is fully disclosed before the customer is committed to the purchase.
Doesn't matter if it is a government unit or not.
Don't know about the States, however, in the UK, Ryanair and others happily charge £4 extra per segment per pax for using any card besides a visa electron.