If something is not taxable at all, can one exempt it? Obviously not. If one does it, it is conceptually meaningless and even absurd. Taking an excise example, it is like saying that free air is exempt. If free air is not taxable, it cannot be exempted by the government. Precisely this type of conceptual error is visible in the exemption list suggested in the Report of the Task Force of the 13th Finance Commission .
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