Louis Brandeis, Williamsport Wire Rope Company v…
“ Thus the aims which induced Congress to enact sections 327 and 328, the nature of the task which it confided to the Commissioner, the methods of procedure prescribed, and the language employed to express the conditions under which the special assessment is required, all negative the right to a review of his determination by a court.It is true that where the Commissioner's action is rviewable judicially, his findings of fact in making an assessment, as distinguished from his determinations involving administrative discretion, constitute only prima facie evidence ”
