Tom C. Clark,
Holland v. United States (348 U.S. 121…
“ When there are no books and records, willfulness may be inferred by the jury from that fact coupled with proof of an understatement of income. But when the Government uses the net worth method, and the books and records of the taxpayer appear correct on their face, an inference of willfulness from net worth increases alone might be unjustified, especially where the circumstances surrounding the deficiency are as consistent with innocent mistake as with willful violation. ”
