—and that "[a] statute may be invalid as applied to one state of facts and yet valid as applied to another."

Where goods are purchased in one state for transportation to another, the commerce includes the purchase quite as much as it does the transportation.

Case, a Tennessee Milling Company bought a crop of grain in Kentucky, to be delivered on board the cars in Kentucky for shipment to Tennessee in accord with a course of business between the parties.

The act of 1932 being valid on the surface, the question remains whether it has been so applied or interpreted in the adoption of this plan as to bring out defects that were lurking underneath.

It is sufficient that the validity of the state statute be challenged and sustained as applied to a particular set of facts.

—as aiding their argument that a tax on a sale of merchandise in an original package brought from another State is a tax on interstate commerce and is different from an ad valorem property tax on the merchandise.

"A corporation of one State may go into another, without obtaining the leave or license of the latter, for all legitimate purposes of such commerce; and any statute of the latter State which obstructs or lays burden on the exercise of this privilege is void under the commerce clause

"A statute may be invalid as applied to one state of facts and valid as applied to another.*** Besides, a litigant can be heard to question a statute's validity only when and so far as it is being or about to be applied to his disadvantage."

"Such commerce is not confined to transportation from one state to another, but comprehends all commercial intercourse between different states and all the component parts of that intercourse. Where goods in one state are transported into another for purposes of sale, the commerce does not end with the transportation, but embraces as well the sale of the goods after …

—"comprehends all commercial intercourse between different states and all the component parts of that intercourse."