John Marshall Harlan II,
James v. United States (366 U.S. 213…
“ I take it that our decisions in the tax and any other field for that matter relate back to the actual transactions with which they are concerned, and that that is only the normal concomitant of the fact that we do not sit as an administrative agency making rulings for the future, but rather adjudicate actual controversies as to rights and liabilities under the laws of the United States. ”
