Patent ID: 7783536

Claim:
An apparatus for determining taxes that is configurable for local jurisdictions, comprising: a tax knowledge base, embodied in a computer system, wherein the tax knowledge base includes tax data pertaining to tax rates in local jurisdictions; an external tax service interface, embodied in the computer system, configured to interface to a third party tax service provider to perform tax computations for another local jurisdiction which is simultaneously applicable; a tax rule base, embodied in the computer system, wherein the tax rule base includes one or more tax rules for applying taxes in local jurisdictions, and wherein the tax rules and the tax data comprise at least a tax regime and a tax jurisdiction; and a tax determination manager, embodied in the computer system, configured to determine an applicable tax corresponding to at least the tax regime and the tax jurisdiction at a given level of granularity, a taxable basis for the applicable tax, and a tax status for the applicable tax using the tax knowledge base and the tax rule base.