Self-contained GST rectification limits bar delay condonation under the Limitation Act and keep belated merits challenges out.

A self-contained rectification mechanism under the Tripura GST Act must be exercised within the six-month outer limit in section 161, and the Limitation Act cannot be used to extend that period unless the special statute expressly or by necessary implication allows it. The provision is confined to errors apparent on the face of the record and only narrow clerical or arithmetical slips after the deadline. A belated rectification request based on an alleged invoice error therefore could not be reopened on merits, and the related tax demand and penalty order remained undisturbed.

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Issues: (i) Whether the rectification petition under section 161 of the Tripura State Goods and Services Tax Act, 2017, filed beyond six months from the date of the order, could be entertained by invoking section 5 read with section 29(2) of the Limitation Act, 1963. (ii) Whether the impugned communication rejecting rectification was vitiated for want of authority to condone delay or for ignoring the alleged error in the tax invoice and consequential assessment.

Issue (i): Whether the rectification petition under section 161 of the Tripura State Goods and Services Tax Act, 2017, filed beyond six months from the date of the order, could be entertained by invoking section 5 read with section 29(2) of the Limitation Act, 1963.

Analysis: Section 161 permits rectification of an error apparent on the face of the record, but it also limits the power by requiring action within the prescribed period and, by the first proviso, bars rectification after six months, except for clerical or arithmetical errors arising from accidental slip or omission. The provision was treated as a self-contained mechanism governing rectification under the tax statute. The Court relied on the distinction between proceedings before a court and proceedings before statutory authorities, and on the principle that the Limitation Act does not apply unless the special statute expressly or by necessary implication permits it. On that construction, section 29(2) of the Limitation Act, 1963 did not assist the petitioner, and section 5 could not be invoked to enlarge the statutory period.

Conclusion: The petition was time-barred and delay could not be condoned under the Limitation Act.

Issue (ii): Whether the impugned communication rejecting rectification was vitiated for want of authority to condone delay or for ignoring the alleged error in the tax invoice and consequential assessment.

Analysis: Once the rectification application was found to be beyond the statutory limit, the authority had no jurisdiction to reopen the matter on merits. The alleged error in the invoice related to the name used in the transaction documents, but the Court held that the relief sought did not fall within the narrow rectification power under section 161. The challenge to the tax demand and penalty could not be sustained through a belated rectification request, and the assessment founded on the earlier order remained unaffected.

Conclusion: The rejection of rectification was valid and the merits challenge did not survive.

Final Conclusion: The statutory bar under the rectification provision prevailed, the writ challenge failed, and the tax demand and penalty order remained undisturbed.

Ratio Decidendi: Where a special fiscal statute prescribes a self-contained and time-bound rectification mechanism with an express outer limit, the Limitation Act cannot be invoked to extend that period unless the statute so provides expressly or by necessary implication.

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