The Goods and Services Tax Appellate Tribunal (GSTAT), Bengaluru, has held that differential tax paid on retrospective price revisions for goods cleared before the introduction of GST attracts interest, even when the taxpayer reports the subsequent debit notes and pays tax in the returns for the months in which those notes are issued.
The bench of Srikanth Venkatraman (Judicial Member) and Sudha Koka (Technical Member) restored an interest demand of ₹13,85,623 against the assessee under Section 50 of the Central Goods and Services Tax Act, 2017. However, it upheld the first appellate authority’s decision to set aside the ₹5,44,419 penalty, finding that the dispute arose from a bona fide interpretation of transitional provisions rather than suppression or deliberate noncompliance.
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The respondent/assessee had cleared goods between April and June 2017, before GST came into force on July 1, 2017. The transaction values were subject to upward revision under contractual price escalation clauses.
Following the price revisions, the company issued debit notes and supplementary invoices on September 29, 2018, and October 15, 2018. It voluntarily discharged differential tax of ₹54,44,190 through the transitional mechanism under Section 142(2)(a) of the CGST Act.
The Assistant Commissioner, Hosapete Division, passed an adjudication order on March 28, 2022, appropriating the differential tax already paid and demanding interest of ₹13,85,623, along with penalties under Section 122.
On June 30, 2023, the Additional Commissioner (Appeals), Belagavi, set aside the interest and penalty demands. The Revenue challenged that decision before the Tribunal.
The central dispute was whether the issuance of debit notes after the introduction of GST created a fresh liability date, or whether the enhanced consideration related back to the original pre-GST clearances for determining interest.
The Revenue argued that retrospective price escalation increased the value of the original supplies. Consequently, interest was payable from the original due date, and the subsequent issuance of supplementary invoices could not postpone the underlying liability.
According to the Revenue, Sections 39(7) and 34(4), which govern tax payment and reporting of debit notes, provide procedural machinery. They do not independently determine when the tax originally became due.
The assessee maintained that it had declared the debit notes in GSTR-1 and paid the corresponding tax through GSTR-3B for September and October 2018. It argued that payment in the relevant return periods amounted to timely compliance.
The company also contended that Section 142(2)(a), by treating supplementary invoices or debit notes as relating to outward supplies under the GST law, created a fresh liability under the transitional framework. It submitted that Section 12, governing the time of supply of goods, could not be applied in the same manner to pre-GST removals.
The Tribunal relied on the Supreme Court’s larger bench ruling in Steel Authority of India Ltd. v. Commissioner of Central Excise, reported in (2019) 366 ELT 769 (SC), which reaffirmed the principles laid down in CCE v. SKF India Ltd.and CCE v. International Auto Ltd.
Referring particularly to paragraph 63 of the Steel Authority of India judgment, the Tribunal observed that where a price increase operates retrospectively, the subsequently finalised price represents the true value of the goods at the time of their original removal.
Applying that reasoning, it held that the differential tax could not be treated as becoming due only when the revised price was finalised or the supplementary invoices were issued.
The Tribunal therefore accepted the Revenue’s contention that the enhanced value related back to the original clearance period.
The Tribunal rejected the argument that the deeming provision in Section 142(2)(a) shifted the underlying liability date to the date of the post-GST debit note.
In its interpretation, the provision supplies the statutory mechanism through which a registered taxpayer can issue GST-compliant debit notes, report differential transactions and discharge tax through the electronic portal after the change in tax regimes.
That mechanism, the bench held, does not alter the original period to which the additional consideration relates or eliminate the interest consequences of delayed payment.
Accordingly, although the differential tax of ₹54,44,190 was paid through debit notes issued in September and October 2018, the Tribunal held that interest under Section 50 remained payable because the additional tax related to the earlier clearances.
The bench also rejected the company’s reliance on Sections 39(7) and 34(4).
It distinguished between the procedure for declaring a debit note in a return and the substantive question of when the corresponding tax became due. Reporting the debit note in the month of issuance, it held, did not itself establish that there had been no delay in paying tax on the retrospectively enhanced value.
The Tribunal treated these provisions as administrative and reporting mechanisms that facilitate compliance through the GST portal, without changing the historical accrual of the additional consideration.
The assessee further argued that the Department had rejected its request for provisional assessment under the pre-GST regime, requiring it to clear goods under normal self-assessment. It sought to distinguish the Supreme Court’s ruling on that basis.
The Tribunal rejected the distinction. It reasoned that the principle concerning retrospective price escalation rests on the effect of the contractual price variation, rather than solely on whether the assessment was formally labelled provisional.
According to the bench, an upward revision operating retrospectively makes the enhanced value attributable to the original clearances, regardless of that administrative classification.
While restoring interest, the Tribunal declined to revive the penalty under Section 122.
It found that the differential tax arose from contractual price escalation during a complex legislative transition. The order recorded no suppression of facts, fraud, wilful misstatement or deliberate tax evasion.
The bench also took account of the company’s voluntary payment of differential tax upon finalisation of prices and its bona fide understanding of the transitional provisions.
The Tribunal held that the penalty was unwarranted and upheld the relief granted by the first appellate authority.
The Tribunal set aside the portion of the appellate order that had deleted interest and restored the original demand of ₹13,85,623 under Section 50. It confirmed the deletion of the ₹5,44,419 penalty under Section 122.
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