Strict construction of exemption notification denied concessional customs duty for ball clay used in porcelain insulator manufacture.

Concessional customs duty under the notification applied only to ball clay used in manufacturing ceramic cores or substrates for resistors, so an importer using the goods for porcelain insulators could not claim the benefit. The exemption was held to require strict construction, and no words could be added to extend it beyond the specific notified use. The trade description of the finished product did not alter the limited scope of the entry, so the request for registration for import of ball clay for porcelain insulator manufacture was rejected.

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Issues: Whether the appellant was entitled to registration and concessional customs duty for import of ball clay under the notification when the imported goods were sought to be used for manufacture of porcelain insulators and not for ceramic cores or substrates for resistors, and whether the exemption notification could be liberally construed to extend the benefit.

Analysis: The notification specifically granted concessional duty only for ball clay used in the manufacture of ceramic cores or substrates for resistors. The appellant's declared end use was manufacture of electric or porcelain insulators, which was distinct from resistors. The Court held that the entries in an exemption notification must be strictly construed and that nothing can be added to the text to extend the benefit to goods not expressly covered. It also accepted that the trade description of the finished product did not bring the appellant's claim within the notified entry.

Conclusion: The appellant was not entitled to the claimed benefit, and the rejection of registration for import of ball clay for manufacture of porcelain insulators was upheld.

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