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Transaction tax settlement in personal communication devices

  • US 7,313,538 B2
  • Filed: 02/15/2002
  • Issued: 12/25/2007
  • Est. Priority Date: 02/15/2001
  • Status: Expired due to Fees
First Claim
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1. A transaction tax settlement system comprising:

  • a personal communication device configured to participate in a transaction, wherein said personal communications device comprises;

    a database for maintaining stored tax rates and stored tax calculation rules when said stored tax rates and said stored tax calculation rules are not subject to modification for a predetermined period of time;

    a location apparatus for determining a geographic location of said personal communications device;

    a tax module for determining when said stored tax rates and said stored tax calculation rules should be modified based on a universally coordinated timestamp provided by a location signal of said location apparatus and connecting to a tax information system to retrieve an update to said stored tax rates and said stored tax calculation rules;

    said tax module configured to retrieve said stored tax rates and said stored tax calculation rules when said stored tax rates and said stored tax calculation rules are applicable to said transaction;

    a communication network providing two-way communication between said personal communication device and said tax information system;

    said tax information system configured to retrieve a list of identified tax authorities when said database does not include said stored tax rates and tax calculation rules applicable to said transaction, wherein said tax information system comprises;

    a tax directory having a listing of tax authorities stored thereon, said tax directory configured to facilitate identification of certain of said tax authorities capable of imposing a tax on said transaction based on a type of said transaction, a merchant type, and said geographic location;

    said tax directory configured to return said list of said identified tax authorities to said personal communication device such that said personal communications device can allow selection of a subset of said a list of said identified tax authorities, wherein said tax information system does not calculate a tax amount;

    said personal communication device configured to send a request directly to said identified tax authorities, wherein said request includes information relating to said transaction; and

    ,a tax authority calculator corresponding to each of said identified tax authorities, said tax authority calculator configured to facilitate determination of a tax rate and a tax rate calculation rule for said transaction, wherein said tax rate and said tax calculation rule is returned directly to said personal communications device.

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