Summary

George Sutherland Macallen Company v. Massachusetts…

On that assumption the immunity of the national bonds is too important to allow any narrowing beyond what the acts of Congress permit. We think it would be going too far to say that they allow an intentional interference that is only prevented from being direct by the artificial distinction between a corporation and its members. A tax very well may be upheld as against any casual effect it may have upon the bonds of the United States when passed with a different intent and not aimed at them, but it becomes a more serious attack upon their immunity when they are its obvious aim.
Source: Wikisource

George Sutherland Macallen Company v. Massachusetts…

If the avowed purpose or self-evident operation of a statute is to follow the bonds of the United States and to make up for its inability to reach them directly by indirectly achieving the same result, the statute must fail even if but for its purpose or special operation it would be perfectly good. Under the laws of Wisconsin the income from the United States bonds may not be the only item exempted from the income tax on corporations, but it certainly is the most conspicuous instance of exemption at the present time.
Source: Wikisource

George Sutherland Macallen Company v. Massachusetts…

All must perceive, that a tax on the sale of an article, imported only for sale, is a tax on the article itself. * * * So, a tax on the occupation of an importer is, in like manner, a tax on importation. It must add to the price of the article, and be paid by the consumer, or by the importer himself, in like manner as a direct duty on the article itself would be made. This the state has not a right to do, because it is prohibited by the Constitution.'
A tax on the income of an office is a tax on the office itself, and cannot be laid in that form if the office be exempt.
Source: Wikisource

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