Summary

Portrait of James Clark McReynolds James Clark McReynolds Union Tank Line v. Wright — Dissent

But, even assuming that such a basis could be adopted without in effect regulating interstate commerce by varying the burden of taxation in direct proportion to the volume of such commerce, it still is obvious that a valuation according to aggregate car mileage would virtually ignore the particular value due to the relation of the cars to the rail system, would in effect be equivalent to a valuation according to average use, and would be open to the same objection, viz., that its ascertainment would lie wholly within the breast of the taxpayer.
Source: Wikisource

Portrait of James Clark McReynolds James Clark McReynolds Union Tank Line v. Wright — Dissent

The Pullman Company objected to the taxation of any part of its capital stock by the state of Pennsylvania by reason of its running its cars through that state in the course of their employment in interstate transportation of passengers; and it is obvious that unless the tax was sustainable as being in substance and effect a tax upon property of the company no greater than that which the state had a right to impose it was invalid because amounting in its effect to a burden upon interstate commerce.
Source: Wikisource

Portrait of James Clark McReynolds James Clark McReynolds Union Tank Line v. Wright — Dissent

Nor is the state obliged to ignore the special value that rolling stock has because of its organic relation to, and its customary use in connection with, the railroad tracks upon which it runs. Although the equipment be held in separate ownership, it may be regarded in fact as an appurtenance of the railroad and valued in that relation. It is admitted that the revenue derived by plaintiff in error from the use of its cars is in part paid by the railroad companies and proportioned to the mileage covered by the run of the cars.
Source: Wikisource

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