From the article: "What about debts already incurred, such as a restaurant bill presented after the meal is eaten, a lawsuit judgment or an annual tax bill? Fo

From the article: "What about debts already incurred, such as a restaurant bill presented after the meal is eaten, a lawsuit judgment or an annual tax bill? For those debts, a plain reading of the Coinage Act suggests that any kind of legal tender, whether coins or bills, must be accepted."