Answer:
According to the U.S. Treasury U.S. dollars must be accepted as payment for any good or service sold in the United States.
Explanation:
The United States Treasury is charged with the responsibility of managing the dollar currency which is generally accepted as a legal tender in U.S.
In summary, the U.S. Treasury U.S. enforces the use of dollars as an acceptable form of payment for any good or service sold in the United States.