The simplest personal tax form, Form 1040-EZ, is only one page. But it comes with a 42-page instruction booklet.

Douglas Shulman says he uses a hired tax preparer because the U.S. tax code is so complex. And he is the IRS commissioner.

The Internal Revenue Code contains about 3.8 million words, nearly five times as many as the King James Bible.

“[A] statute which either forbids or requires the doing of an act in terms so vague that men of common intelligence must necessarily guess at its meaning and differ as to its application violates the first essential of due process of law.” – Associate Supreme Court Justice George Sutherland (Connally v. General Construction Company, 269 US 385, 1926)