Quote:
the contract a business signs with the credit card processor says that they're not allowed to charge more for credit card purchases than cash purchases

That's the general rule in the UK, with an exception for travel agents, I don't know the rights and wrongs of this, but apparently the margins are too slim*. over recent years, internet vendors have, on occasion, tried to charge a margin, but generally back down if challenged.

*the cost of my DIY booking for Majorca each September is around 40% cheaper than through an agent, so I guess they've got a point.
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Politics and Ideology: Not my bag