Specific tariff description prevails over end-use classification for a stepper motor used in an idle air control valve.

A stepper motor proposed for use in an idle air control valve was classified under sub-heading 8501 10 12 of the First Schedule to the Customs Tariff Act, 1975. The authority applied Rule 3(a) of the General Rules for the Interpretation of Import Tariff and preferred the tariff heading giving the most specific description over broader or end-use based entries. It treated the goods as a brushless DC motor specifically covered by the stepper motor entry, and noted that Note 2(j) of Section XVII excludes Chapter 85 electrical machinery from "parts" and "parts and accessories", so end use in a vehicle assembly did not change the classification.

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Issues: Whether the stepper motor proposed for use in an idle air control valve is classifiable under sub-heading 8501 10 12 of the First Schedule to the Customs Tariff Act, 1975, or under the competing tariff items proposed by the applicant.

Analysis: The ruling applied Rule 3(a) of the General Rules for the Interpretation of Import Tariff, under which the heading providing the most specific description is preferred when goods are prima facie classifiable under more than one heading. The stepper motor was treated as a brushless DC motor specifically covered by the tariff entry for stepper motors of output not exceeding 37.5W. The authority also noted that Note 2(j) of Section XVII excludes electrical machinery or equipment of Chapter 85 from the expression "parts" and "parts and accessories", so the goods could not be classified as a part of the vehicle-related assembly merely because of their end use.

Conclusion: The stepper motor was held classifiable under sub-heading 8501 10 12 of the First Schedule to the Customs Tariff Act, 1975, in favour of the assessee.

Ratio Decidendi: Where a tariff entry specifically describes the goods, that specific description prevails over a more general or end-use based classification, and Chapter 85 electrical machinery is not taken out of its own heading merely because it is used as a component in another assembly.

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