Charles Evans Hughes, Hans Rees' Sons v. North Carolina ex rel…
“ But the fact that the corporate enterprise is a unitary one, in the sense that the ultimate gain is derived from the entire business, does not mean that for the purpose of taxation the activities which are conducted in different jurisdictions are to be regarded as 'component parts of a single unit' so that the entire net income may be taxed in one state regardless of the extent to which it may be derived from the conduct of the enterprise in another state. ”
