Some of you may have this case. SCOTUS said US Notes not to be used for paying taxes. It's an old case, which ends thusly:

"In whatever light, therefore, we consider this question, whether in the light of the conflict between the legislation of Congress and the taxing power of the states, to which the interpretation, insisted on in behalf of the County of Lane, would give occasion, or in the light of the language of the acts themselves, or in the light of the decisions to which we have referred, we find ourselves brought to the same conclusion, that the clause making the United States notes a legal tender for debts has no reference to taxes imposed by state authority, but relates only to debts in the ordinary sense of the word, arising out of simple contracts or contracts by specialty, which include judgments and recognizances.". (emphasis added) [Footnote 10]

Case is Lane County v, Oregon 74 Wall 71

http://supreme.justia.com/cases/fede...4/71/case.html

Katrina