Tariff classification by composition and function: specific entries prevail over residuary treatment, and extended limitation needs proven suppression.

Classification under the Central Excise Tariff depends on a product's composition, character, function and commercial understanding, and the residuary entry applies only when no specific description fits. On that basis, Protective PX-2 and Rustillo-114 were treated as varnish under Item 14II(i) rather than speciality oils or corrosion preventive fluids under Item 68. For Rustillo-114, the absence of proved suppression or deliberate non-disclosure meant the demand could be confined to the normal six-month period. Iloquench-179 was accepted under Item 15AA, but exemption under Notification No. 101/66-C.E. was not available for past clearances because the conditions were not established and the classification declaration was incorrect.

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Issues: (i) Whether the products Protective PX-2 and Rustillo-114 were correctly classifiable as varnish under Item 14II(i) of the erstwhile Central Excise Tariff or under the residuary Item 68 as speciality oils or corrosion preventive fluids; (ii) whether the demand raised in respect of Rustillo-114 could be confined to six months in the absence of suppression of facts; (iii) whether Iloquench-179 was correctly classifiable under Item 15AA and whether exemption under Notification No. 101/66-C.E. was available.

Issue (i): Whether the products Protective PX-2 and Rustillo-114 were correctly classifiable as varnish under Item 14II(i) of the erstwhile Central Excise Tariff or under the residuary Item 68 as speciality oils or corrosion preventive fluids.

Analysis: The products were examined on the basis of their chemical composition, the test reports, the manufacturer's literature, and their functional use. The record showed that both products formed a protective coating, had resinous and solvent-based composition, and answered the description of varnish in commercial and functional terms. The residuary entry could not be invoked when the goods fitted the specific description of varnish.

Conclusion: The classification under Item 14II(i) was upheld and the claim for Item 68 failed.

Issue (ii): Whether the demand raised in respect of Rustillo-114 could be confined to six months in the absence of suppression of facts.

Analysis: The classification list had been approved without proper enquiry into the composition and end-use particulars. On the facts found, the omission could not be treated as deliberate suppression so as to justify the extended period. The demand, therefore, could not travel beyond the normal limitation period.

Conclusion: The demand was restricted to six months preceding the show cause notice.

Issue (iii): Whether Iloquench-179 was correctly classifiable under Item 15AA and whether exemption under Notification No. 101/66-C.E. was available.

Analysis: The chemical report described the product as a surface-active preparation, and the assessee's own stand accepted classification under Item 15AA while seeking exemption as a wetting agent. The conditions of the exemption notification were not established for past clearances, and the declaration in the classification list was found to be incorrect. The demand was therefore sustainable under the proviso to Section 11A.

Conclusion: The classification under Item 15AA was upheld, exemption was denied for past clearances, and the duty demand was sustained.

Final Conclusion: The common order sustained the Revenue's classification in all three matters, while granting only a limitation-based reduction in the demand relating to Rustillo-114.

Ratio Decidendi: Classification under the Central Excise Tariff must be determined by the goods' composition, character, function and commercial understanding, and the residuary entry applies only when the goods do not fit a specific description; extended limitation requires a proved suppression or misdeclaration.

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