Ah, I thought it was the claim about "legal tender". As in, my folded-up $10 bill is legal tender, and you (the vendor) must accept it, even if you don't like d

Ah, I thought it was the claim about "legal tender". As in, my folded-up $10 bill is legal tender, and you (the vendor) must accept it, even if you don't like dealing with cash registers, coins, petty theft, and counting change.