Substantive compliance for exemption certificates protects nil duty benefit despite format defects or late production.

An exemption under the relevant duty notification could not be denied where competent district authority certificates substantially confirmed that the pipes were meant for water supply use covered by the notification. The differences in wording and format from the prescribed certificate were only formal, and late production of the certificates at clearance was treated as a procedural lapse. Because the substantive end-use condition was satisfied, the nil duty exemption remained available and the excise duty demand on the clearances was unsustainable.

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Issues: Whether the assessee was entitled to the benefit of nil duty exemption under the relevant notifications when the certificates issued by the competent district authority were not in the exact prescribed format or were produced belatedly at the time of clearance, but otherwise certified the intended use of the pipes for water supply purposes covered by the notifications.

Analysis: The exemption notification required production of a certificate from the competent district authority certifying that the pipes were used for delivery of water from its source to the water treatment plant and from there to the storage facility. The certificates on record substantially recorded that the pipes would be used in water supply schemes for carrying water from the source to the treatment plant and then to intermediate or final storage facilities. The differences noticed by the adjudicating authority were only differences in language and format, not in substance. Non-production of the certificates at the exact time of clearance was treated as a procedural lapse, and the substantive condition for exemption was found to be satisfied.

Conclusion: The assessee was entitled to the exemption benefit, and the demand of excise duty on the concerned clearances was unsustainable.

Ratio Decidendi: Where the substantive requirements of an exemption notification are satisfied and the certificates from the competent authority verify the notified end use, exemption cannot be denied merely because of a procedural defect in form or timing of production of the certificates.

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