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by miloignis 2624 days ago
As Chris2048 said, I believe the law draws a distinction between buying something and paying a debt. I've heard that, for instance, you can always use cash at a sit down resturant where you pay at the end because that's paying a debt, but if you order the food (or whatever) up front that's not a debt yet, so they don't have to accept cash.

It's an interesting distinction that I only learned about recently, and I'm not sure I agree, but it seems to be the compromise we currently run off of.