What is a tax base?
A tax base is the value or quantity on which a tax rate is applied under the relevant rules.
Definition, calculation and mechanism
Taxable income after allowed deductions or the value of a sale are examples. The base is not the final tax bill: rates, exemptions and credits matter. Definitions vary by jurisdiction and tax.
Interpretation, examples and limits
A broader base can change revenues without a rate change. Behavior and informality affect collections. Individual obligations require current official rules.
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