Originally Posted by
CPRich
Credit cards are not cash.
I forked over a $20 bill to pay the $19 fare on-board PE in the 80's. I've paid for many, many tickets on a credit card, but haven't used cash since, AFAIK.
Credit/bank card payments are denominated in cash amounts. Cash-denominated pricing can be referred in short as cash purchases since they are ultimately cash-denominated purchases and settled as such. Mileage tickets too get settled in cash-denominated terms, as the revenue tickets they are.