Limitation for refund claims under relevant-date rules bars older clearances; March-2014 refund sustained while other months denied.

Refund claims were adjudicated by reference to the relevant-date and limitation rules under excise law: returns filing dates and payment dates determine one-year limitation, so claims for clearances in January and February 2014 were time-barred while the March 2014 portion fell within the one-year period and was allowed. Separately, findings in an earlier unchallenged appellate order that fixed the relevant date and addressed dutiability/self-assessment attained finality; principles of res judicata and constructive res judicata prevent the appellant from reopening those issues. Result: partial refund allowed for March 2014; other claims barred and appeal dismissed.

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Issues: (i) Whether the refund claim filed on 24.03.2015 is time-barred for clearances of Jan-2014 and Feb-2014 and whether the refund for March-2014 is maintainable; (ii) Whether the appellant can re-open or challenge the question of dutiability/self-assessment and relevant-date determinations made in the earlier Commissioner (Appeals) order dated 26.03.2019 (res judicata/appealability issue).

Issue (i): Whether the refund claim is time-barred for Jan-2014 and Feb-2014 and whether refund for Mar-2014 is allowable.

Analysis: The Tribunal considered the dates of filing ER-1 returns and statutory payment deadlines under Rule 8(1) and the explanations to Section 11B of the Central Excise Act, 1944. The Commissioner (Appeals) had determined the date of filing as 24.03.2015 (electronic filing) and held that for the clearances in Jan-2014 and Feb-2014 the one-year limitation expired before that date, whereas the claim portion for March-2014 fell within one year of the relevant payment date. The adjudicating authority on remand examined ER-1 filing dates and last dates for refund claims and allowed the March-2014 portion while rejecting Jan-2014 and Feb-2014 portions as time-barred.

Conclusion: Partly in favour of Appellant (refund for March-2014 of Rs.38,24,252 upheld; refunds for Jan-2014 and Feb-2014 barred by limitation).

Issue (ii): Whether the appellant may re-agitate or challenge final assessment/self-assessment and the related findings on relevant date despite the Commissioner (Appeals) order dated 26.03.2019.

Analysis: The Tribunal examined the Commissioner (Appeals) order which had held that the issue of rate of duty was not part of the provisional/final assessment and therefore the relevant date for the refund was the date of payment; that order was not appealed by either party and thereby attained finality for purposes of the remand proceedings. The Tribunal applied principles of res judicata, constructive res judicata and related precedents to conclude that issues finally decided in the earlier appellate order could not be reopened in the present appeal. The Tribunal therefore declined to entertain arguments contrary to the Commissioner (Appeals) findings and held that the appellant was barred from re litigating those points.

Conclusion: In favour of Respondent (appellant barred from re-agitating the earlier findings; issues on dutiability/self-assessment and relevant-date determination stand final).

Final Conclusion: The appeal lacks merit and is dismissed; the refund claim is allowed only to the extent of the March-2014 portion while other portions are time-barred, and the appellant cannot reopen issues conclusively decided by the Commissioner (Appeals) dated 26.03.2019.

Ratio Decidendi: Where an appellate order on legal and factual issues attains finality because it is unchallenged, parties are barred by res judicata from re litigating those issues in subsequent proceedings; refund claims must be adjudicated having regard to the statutory relevant date under Section 11B of the Central Excise Act, 1944 and limitation is to be computed accordingly.

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