Harlan F. Stone,
Sanford's Estate v. Commissioner of Internal Revenue…
“ If Congress, for the purpose of taxing income, has defined precisely the amount of control over the income which it deems equivalent to ownership of it, that definition is controlling on the courts even though without it they might reach a different conclusion, and even though retention of a lesser degree of control be deemed to render a transfer incomplete for the purpose of laying gift and death taxes. ”
