Charles Evans Whittaker,
Youngstown Sheet and Tube Company v…
“ The abstract assignment of a status to goods which are to be used in manufacture is certainly not germane to an evaluation of that physical transformation of the goods which has hitherto been required before an import could become vulnerable to state taxes. To say that goods are necessary to meet requirements merely asserts a truism which is equally applicable in every case this Court has decided under the Import Clause. ”
