US Patent 7590574 Mechanized tax worksheet
Patent 7590574 was granted and assigned to AT&T Intellectual Property I on September, 2009 by the United States Patent and Trademark Office.
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A system and method for verifying charges on a customer bill includes a computers for downloading, from a mainframe computer, to a local server billing data associated with a customer account, populating a database with a portion of the billing data, performing pre-calculation functions on another portion of the billing data and populating the database with results of the pre-calculation functions, displaying predetermined categories of information stored in the database, calculating the taxes for each of several charges in the billing data and storing tax results in the database, and comparing the tax results with tax information on the customer bill.
US Patent 07590574 Mechanized tax worksheet US Patent 7590574 Mechanized tax worksheet
US Patent 07590574 Mechanized tax worksheet
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