Finality of appellate findings bars remand authority from reopening refund maintainability and must confine itself to residual issues.

Where an appellate authority has finally held a refund claim maintainable and that finding is not challenged, a subordinate authority on remand cannot reopen the same issue. The remand was limited to computation of the refundable amount, so the Assistant Collector could not reject the claim by questioning maintainability again. The earlier appellate finding that refund under Section 11B was available despite no challenge to the approved price list had attained finality, and the later order erred in sustaining rejection on that basis. The refund rejection was therefore unsustainable.

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Issues: Whether a refund claim for duty paid under protest could be rejected on the ground that the assessee had not challenged the approved price list, and whether the subordinate authority could ignore the earlier appellate finding that the refund claim was maintainable.

Analysis: The assessee had filed its price list under Rule 173C of the Central Excise Rules and had paid duty under protest on the basis of the factory-gate price under Section 4(1)(a) of the Central Excise Act, 1944. The earlier appellate order had expressly held that a refund claim under Section 11B of the Central Excise Act, 1944 was maintainable notwithstanding the absence of any challenge to the approved price list. That order had not been challenged by the Revenue and, therefore, attained finality on the question of maintainability. In that situation, the only matter open on remand was computation of the amount refundable. The Assistant Collector could not reopen the issue of maintainability by holding that the refund claim was not tenable. The later appellate order failed to consider this controlling aspect and sustained the rejection on an impermissible ground.

Conclusion: The rejection of the refund claim was unsustainable, and the appeals were required to be allowed in favour of the assessee.

Final Conclusion: The refund proceedings could not be defeated by a fresh objection to maintainability after that issue had already been conclusively decided in the assessee's favour, and the impugned order was set aside.

Ratio Decidendi: Where an appellate authority has finally held a refund claim to be maintainable and that finding is not challenged, a subordinate authority on remand cannot reopen the same question and must confine itself to the limited issues left open.

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