Customs classification follows essential function of cassette duplicating machines, while appellate benefit cannot be withdrawn without review proceedings.

Customs classification turned on the machine's essential function: a cassette duplicating machine that transferred sound from a master cassette to a slave cassette was treated as a sound recorder, so Heading 92.01/13 was preferred and the importer's claim under Heading 84.59(2) failed; classification under Heading 85.18(27)(1) was also held incorrect. The protective benefit already granted by the appellate authority could not be withdrawn because the Revenue had issued no review show cause notice, so that benefit was maintained.

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Issues: (i) Whether the imported cassette duplicating machine was classifiable under Heading 92.01/13 of the Customs Tariff as a sound recorder or reproducer, or under Heading 84.59(2) as claimed by the importer, or under Heading 85.18(27)(1) as held by the Appellate Collector; (ii) Whether the benefit already granted by the Appellate Collector could be withdrawn in the absence of review proceedings by the Revenue.

Issue (i): Whether the imported cassette duplicating machine was classifiable under Heading 92.01/13 of the Customs Tariff as a sound recorder or reproducer, or under Heading 84.59(2) as claimed by the importer, or under Heading 85.18(27)(1) as held by the Appellate Collector.

Analysis: The machine transferred recordings from a master cassette to a slave cassette and performed the basic function of recording sound in the form of electromagnetic waves. The absence of attached speakers or audible reproduction did not alter its essential character as a recorder. Heading 92.01/13 covered sound recorders and reproducers, and the word 'and' in that heading was construed in context as 'or'. The interpretative rule requiring the most specific description to be preferred supported the Revenue's classification.

Conclusion: The machine fell under Heading 92.01/13, the classification under Heading 85.18(27)(1) was incorrect, and the claim under Heading 84.59(2) was rejected.

Issue (ii): Whether the benefit already granted by the Appellate Collector could be withdrawn in the absence of review proceedings by the Revenue.

Analysis: The Revenue had not issued any review show cause notice. In the absence of such proceedings, the appellate benefit already extended could not be taken away in the present appeal.

Conclusion: The benefit already granted by the Appellate Collector was not liable to be withdrawn.

Final Conclusion: The appeal failed on the classification issue, but the protective benefit granted by the Appellate Collector was maintained for want of review proceedings, and the matter stood finally rejected.

Ratio Decidendi: For customs classification, the essential function of an imported machine governs its heading, and a recording device does not cease to be a sound recorder merely because it lacks direct audible reproduction; in the absence of review proceedings, an appellate benefit already granted cannot be withdrawn in the same appeal.

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