That's how it was in the US about 15+ years ago (in Oklahoma at least). I don't think there was any kind of law about it, it's just how it was done. You pumpe

That's how it was in the US about 15+ years ago (in Oklahoma at least). I don't think there was any kind of law about it, it's just how it was done. You pumped, then when inside to pay. Occasionally, you'd come across a gas station in a bad area, and they had a sign to pay inside before you pumped (due to people pumping and then speeding off).