Extended customs limitation requires wilful misstatement or suppression; a later classification change cannot by itself sustain penalty.

The Tribunal's consideration of additional material in appeal was treated as a technical objection because the material was examined for classification and exemption issues, caused no prejudice to the Revenue, and did not undermine the correctness of the determination. Extended limitation under customs law was not attracted because Section 28(4) requires collusion, wilful misstatement, or suppression of facts, and a later change of view on classification or exemption was insufficient to establish that mental element. As the extended period failed, the consequential penalty linked to it also could not stand, and the challenge on limitation was rejected.

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Issues: (i) Whether the Tribunal erred in taking additional evidence in appeal in the context of Rule 23 of the CESTAT Procedure Rules, 1982. (ii) Whether the extended limitation under Section 28(4) of the Customs Act, 1962 was attracted and, consequently, whether penalty under Section 114A of the Customs Act, 1962 could stand.

Issue (i): Whether the Tribunal erred in taking additional evidence in appeal in the context of Rule 23 of the CESTAT Procedure Rules, 1982.

Analysis: The disputed material before the Tribunal was examined for deciding the nature and classification of the imported products and the applicability of the exemption notification. The examination of that material resulted in a finding adverse to the assessee on exemption, and the Revenue derived no prejudice from its consideration. In these circumstances, the objection based on Rule 23 was treated as technical and not affecting the correctness of the Tribunal's determination.

Conclusion: The Tribunal did not commit error in considering the material; the objection was rejected in favour of the Revenue.

Issue (ii): Whether the extended limitation under Section 28(4) of the Customs Act, 1962 was attracted and, consequently, whether penalty under Section 114A of the Customs Act, 1962 could stand.

Analysis: Section 28(4) applies only where non-levy or short levy is attributable to collusion, wilful misstatement, or suppression of facts. The imports had been cleared over a long period after examination and acceptance of the exemption claim, and the later dispute arose from a different view on classification. A mere incorrect claim or subsequent change of opinion was held insufficient to establish the mental element required for extended limitation. As the extended period was not available, the penalty linked to that period could not survive.

Conclusion: The extended limitation was not attracted, and the consequential penalty under Section 114A also could not be sustained; this issue was decided in favour of the assessee.

Final Conclusion: The appeals failed because the challenge to the Tribunal's view on limitation was rejected, and the consequential penalty could not be upheld, even though the exemption claim itself was not accepted.

Ratio Decidendi: Extended limitation under customs law requires proof of a deliberate element such as wilful misstatement or suppression of facts, and a later change of view on classification or exemption does not by itself establish that ingredient.

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