Tariff classification of micromanipulator systems: microscope heading prevails where the microscope is the essential component for use.

The Gujarat AAR held that a micromanipulator system used for intracytoplasmic sperm injection is classifiable under tariff item 9011 as a compound optical microscope, not under tariff item 9018 as a medical instrument or appliance. Applying the Customs Tariff classification rules and the explanatory notes to Chapters 90, the authority found that the system functions only in conjunction with a microscope and that the microscope is the essential constituent for the procedure. The product therefore falls under the more specific microscope heading, with GST payable at the rate prescribed for compound optical microscopes under the relevant notification entries.

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Issues: Whether the Micromanipulator System used for intracytoplasmic sperm injection is classifiable under tariff item 9018 as an instrument or appliance used in medical sciences, or under tariff item 9011 as a compound optical microscope, and the GST rate applicable thereon.

Analysis: The product was examined in the light of the Customs Tariff classification rules and the explanatory notes to Chapters 90 and 9011/9018. The decisive feature found was that the micromanipulator system functions only in conjunction with a microscope and the microscope is the essential constituent enabling the claimed procedure. The product was held to fall within the scope of compound optical microscopes rather than the general heading for medical instruments and appliances. The authority also relied on the relevant GST rate notifications, under which compound optical microscopes were covered first in Schedule IV and later, after amendment, in Schedule III.

Conclusion: The product is classifiable under tariff item 9011 and not under tariff item 9018. The classification attracts the GST rate applicable to compound optical microscopes under the relevant notification entries.

Final Conclusion: The ruling adopts the microscope classification for the impugned goods and confirms the corresponding GST rate under the notified tariff entries.

Ratio Decidendi: Where goods are not specifically covered by the general medical instruments heading and their essential function depends on the microscope component, the more specific microscope heading prevails for tariff classification.

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