Undefined technical terms in exemption notifications may be read with industry standards, extending relief to steel scrap cuttings.

An exemption notification using the undefined technical expression "butts and shorts" may be construed with reference to recognised Indian Standards where the commercial meaning is unclear. The stated clarification and amendment to the standard are treated as clarificatory, indicating that the expression covers portions cut or sheared from rolled steel products, including side cuttings and trimmings from width or length. On that construction, the disputed scrap qualifies for exemption, and any penalty based on alleged misdescription or duty evasion falls away once exemption applies.

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Issues: (i) Whether side cuttings and trimmings of steel sheets could be treated as "butts and shorts" for the purpose of exemption under Notification No. 150/77-C.E. by reference to the Indian Standards specification; and (ii) whether the penalty imposed on the appellants was sustainable.

Issue (i): Whether side cuttings and trimmings of steel sheets could be treated as "butts and shorts" for the purpose of exemption under Notification No. 150/77-C.E. by reference to the Indian Standards specification.

Analysis: The notification did not define the expression "butts and shorts". In that situation, the Indian Standards specification, being a recognised technical guide reflecting commercial and industrial understanding, was treated as a permissible aid to construction. The later clarification and amendment to the standard showed that the concept of butts and shorts was intended to cover portions removed by cutting or shearing from rolled products, including cuts from width as well as from length. The amendment was viewed as clarificatory and as removing an anomaly rather than creating a new rule.

Conclusion: Side cuttings and trimmings were held to fall within "butts and shorts", and the exemption was available to the appellants.

Issue (ii): Whether the penalty imposed on the appellants was sustainable.

Analysis: The penalty had been imposed on the premise that the scrap had been wrongly described and duty had been evaded. Once the goods were held to qualify for the exemption, the basis for the penalty disappeared.

Conclusion: The penalty was not sustainable and was set aside.

Final Conclusion: The appellants succeeded in obtaining exemption treatment for the disputed scrap and the consequential penalty was deleted, resulting in full relief.

Ratio Decidendi: Where an exemption notification uses an undefined technical expression, a recognised industry standard may be used as an interpretive guide, and a later clarificatory amendment may be relied upon to resolve the intended scope of the expression.

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