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Harmonized tariff schedule classification using decision tree database

  • US 7,792,863 B2
  • Filed: 12/24/2003
  • Issued: 09/07/2010
  • Est. Priority Date: 12/27/2002
  • Status: Expired due to Fees
First Claim
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1. Computer readable storage media which contains a program of instructions which instructions when executed by a computer program under operator control perform the following method of Harmonized Tariff Schedule (“

  • HTS”

    ) classification for assigning each of a plurality of imported products to their correct HTS code using a computer system having one or more physical storage devices;

    creating and storing on the one or more physical storage devices a decision-tree customs classification database containing a plurality of commodity groups at a top level that each describe a category of products, a plurality of HTS codes at a bottom level that each relate to an applicable tariff rate on a type of product, and one or more intermediate levels that each describe a sub-set of products and that link each of the commodity groups at the top level to a plurality of the HTS codes at the bottom level through a top-down decision tree;

    creating a function code database for a business purpose unrelated to HTS commodity group classification or tariff computation and storing it on the one or more physical storage devices, the function code database containing a plurality of unique function codes, each indicative of a product function and each mapped to a sub-set of the products that perform the function indicated by the function code;

    creating and storing on the one or more physical storage devices a function-code-to-commodity group database that maps each of the function codes to one of the commodity groups; and

    for each of the products using the computer system and the physical storage devices through a user interface;

    identifying the function code of the product based on the function code to which the product is mapped in the function code database;

    identifying the commodity group that corresponds to the identified function code based on the commodity group to which the identified function code is mapped in the function-code-to-commodity group database;

    selecting each intermediate level in the top-down decision tree that is associated with the identified commodity group that best describes the product until arriving at an HTS code at the bottom level of the decision-tree customs classification database; and

    assigning the arrived-at HTS code at the bottom level of the decision-tree customs classification database to the product.

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