GST & Constitutional Tax Desk
Peer-reviewed · Indirect Taxes · GST Litigation & Policy
India’s GST framework promised seamless credit. Yet across five provisions — Section 16(2)(c), the broader Section 16(2) conditions, Section 74A (fraud-linked assessments), Section 76 (tax collected but not paid), and Rule 86B (cash ledger floor) — bona fide recipients are systematically denied Input Tax Credit for defaults entirely outside their control. This article proposes a single structural solution: the RCM–Refund Model, which realigns fiscal risk with fiscal culpability and satisfies every constitutional objection raised against the current regime.
I.The Five-Front Problem: Mapping the ITC Conundrum
The ITC denial problem is not confined to one section of the CGST Act. It manifests across five distinct legal fronts, each creating a unique pathway by which a bona fide recipient is deprived of credit earned through a legitimate taxed transaction.
Section 16(2)(c)
ITC denied when supplier fails to deposit tax actually paid by recipient to government.
Section 16(2) — Conditions
Four-condition eligibility gate; GSTR-2B mismatch triggers automatic disallowance irrespective of genuine supply.
Section 74A
Post-2024 fraud/suppression provision extends demand period to five years; recipient dragged into supplier’s fraud proceedings.
Section 76
Tax collected but not paid — supplier pockets collected GST; statute still visits consequence on recipient’s credit.
Rule 86B
Mandates minimum 1% cash payment of output tax liability — effectively suspends ITC utilisation for certain taxpayers.
Each of these provisions, individually and cumulatively, imposes compliance burdens and financial losses on recipients who have satisfied every obligation that the law places within their control. To understand the solution, one must first map the constitutional pathology of each.
II.Section 16(2)(c): The Supplier-Default Trap and its Constitutional Infirmity
Section 16(2)(c) — CGST Act 2017
“…the tax charged in respect of such supply has been actually paid to the Government, either in cash or through utilisation of input tax credit admissible in respect of the said supply…”
The condition appears facially reasonable: credit flows only where tax has flowed. But as applied, it places the entire risk of the supplier’s delinquency on the recipient. The recipient paid the tax — it is embedded in the invoice price paid to the supplier. The supplier collected it and was duty-bound to remit it. The default is entirely the supplier’s.
The Supreme Court in Eicher Motors Ltd. v. Union of India (1999) 2 SCC 380 held that once credit conditions within the assessee’s control were satisfied, the credit partook of the character of a vested right. The addition of a condition outside the recipient’s control — supplier remittance — converts a vested right into a contingent privilege, destroyable by third-party misconduct. This is constitutionally untenable.
“ITC is not the government’s bounty to grant or revoke at will. It is the structural mechanism by which GST avoids the constitutional prohibition on double taxation. When the condition of its enjoyment lies with a third party, the right itself becomes illusory.”
Principle advanced by multiple High Courts in supplier-default ITC cases
The Article 14 dimension is acute. Two recipients with identical transactions — one whose supplier filed returns, one whose did not — receive radically different tax treatment. The distinguishing event (supplier’s filing) is entirely beyond either recipient’s control. Classification based on an irrelevant and uncontrollable criterion is inherently arbitrary, failing the rational nexus test established in State of West Bengal v. Anwar Ali Sarkar AIR 1952 SC 75.
III.Section 16(2): The Four-Condition Gate and the GSTR-2B Mismatch Problem
Section 16(2) sets four conditions for ITC eligibility: (a) possession of a tax invoice; (b) receipt of goods or services; (c) tax paid to government; and (d) return filed by the recipient. Of these, condition (c) — as discussed above — is the most constitutionally vulnerable. But condition (d), read with Rule 36(4) and GSTR-2B, creates an additional layer of structural injustice.
GSTR-2B is an auto-populated statement generated from suppliers’ GSTR-1 filings. Under the operationalized system, a recipient may claim ITC only to the extent reflected in their GSTR-2B. If a supplier files GSTR-1 late — even for a prior period — the recipient’s ITC for that period is blocked, and the recipient must reverse it with interest, or lose it.
The interest liability on reversed ITC — at 18% per annum under Section 50 — adds punitive financial consequence to what is already a structural injustice. The recipient, having paid tax and received supplies, must pay interest on a credit they legitimately earned because the supplier delayed filing a form.
Constitutional Challenge
Requirement to pay interest on reversed ITC — Section 50, CGST Act
Courts have begun examining whether interest liability on ITC reversal — where the reversal is caused by supplier non-compliance rather than recipient error — constitutes a penalty on an innocent party and violates the principle of proportionality under Article 14 and 19(1)(g).
IV.Section 74A: The 2024 Amendment and the Fraud Contamination Risk
The Finance (No. 2) Act 2024 introduced Section 74A, consolidating the erstwhile Sections 73 and 74 into a unified demand provision with a five-year limitation period where fraud, suppression, or wilful misstatement is alleged. While the consolidation has administrative merit, its application to recipient-taxpayers poses severe due process risks.
Where a supplier is alleged to have committed fraud — issuing fake invoices, suppressing turnover, or misclassifying goods — the department frequently initiates proceedings against the recipients of such invoices under Section 74A as well. The recipient, who transacted in good faith with a registered supplier, is now exposed to a five-year window of demand, interest, and penalty — including the maximum penalty of 100% of tax under the fraud limb.
Bona fide recipient’s position
Verified supplier registration, obtained valid invoice, received goods or services, paid full consideration including tax. No participation in or knowledge of supplier’s fraud.
Section 74A exposure
Five-year limitation, demand of full ITC with interest, penalty up to 100% of tax, and reputational harm from being associated with a fraud proceeding initiated against a third party.
The fundamental principle of actus non facit reum nisi mens sit rea — an act does not make a person guilty unless accompanied by a guilty mind — is the bedrock of penalty jurisprudence. The Supreme Court in Hindustan Steel Ltd. v. State of Orissa AIR 1970 SC 253 held that penalty provisions in fiscal law must be applied with strict regard to mens rea, and that a bona fide recipient cannot be penalised for another’s fraud absent evidence of participation or knowledge.
Extending Section 74A proceedings to innocent recipients — who cannot be said to have suppressed or misrepresented anything — misapplies both the provision and the constitutional guarantee of fair procedure under Articles 14 and 21.
V.Section 76: Tax Collected but Not Paid — The Pocketed-Tax Problem
Section 76 — CGST Act 2017
“Notwithstanding anything to the contrary contained in any other provisions of this Act… every person who has collected from any other person any amount as representing the tax levied under this Act, and has not paid the said amount to the Government, shall forthwith pay the said amount to the Government…”
Section 76 addresses a supplier who has collected GST from the recipient — and therefore holds it as a fiduciary of the government — but has not remitted it. The section creates direct liability on the supplier, not the recipient. Yet in practice, the denial of ITC under Section 16(2)(c) effectively shifts the economic consequence of the supplier’s Section 76 default onto the innocent recipient.
The logic is incoherent: Section 76 identifies the supplier as the wrongdoer in possession of collected tax. The government has a statutory claim against the supplier for recovery of that exact amount. Yet instead of pursuing that claim to its logical conclusion, the department simultaneously denies the recipient’s ITC — effectively recovering twice in relation to the same tax amount: once from the recipient (through ITC denial) and once (in theory) from the supplier.
This is not merely inequitable — it is structurally unjust enrichment of the government at the expense of the bona fide recipient.
VI.Rule 86B: The Cash Ledger Floor and the ITC Paralysis
Introduced in December 2020, Rule 86B requires certain taxpayers — those with taxable turnover exceeding ₹50 lakh in a month — to discharge at least 1% of their output tax liability in cash, even if ITC is available in the credit ledger to fully discharge the liability.
The stated rationale is fraud prevention — targeting entities that use fictitious ITC to discharge output tax without any real tax payment. But the rule operates as a blunt instrument: it applies uniformly to compliant taxpayers with entirely genuine ITC, forcing them to make cash tax payments that their legitimate credits should have covered.
Constitutional Challenge — Rule 86B
Traders’ associations and individual taxpayers v. Union of India
Multiple writ petitions have challenged Rule 86B as ultra vires Section 49 of the CGST Act — which provides for free utilisation of credit ledger — and as an unreasonable restriction on the fundamental right to carry on trade under Article 19(1)(g), in that it imposes a cash flow burden on compliant businesses without any individualized finding of risk or fraud.
Rule 86B effectively taxes ITC — converting a legislatively conferred credit into a partial credit, with the unexplained residual converted into a mandatory cash payment. This amounts to a modification of the substantive statutory right by subsidiary legislation, exceeding the rule-making power granted under Section 164 of the CGST Act, which does not authorise the executive to curtail rights expressly created by the Act itself.
VII.The Constitutional Architecture: Vested Rights, Article 14, and Legitimate Expectation
Across all five provisions, three constitutional doctrines are engaged. Together, they form the framework within which the proposed RCM–Refund Model must be assessed.
First, the doctrine of vested rights. The Supreme Court in Eicher Motors and subsequently in Collector of Central Excise, Pune v. Dai Ichi Karkaria Ltd. (1999) 7 SCC 448 affirmed that credit legitimately taken under a scheme is a vested right. The conditions for vesting must be within the taxpayer’s control. A condition that depends on a third party’s conduct does not define the point of vesting — it creates a permanent contingency that undermines the right entirely.
Second, Article 14 and proportionality. The proportionality standard — now firmly embedded in Indian constitutional law through Modern Dental College v. State of Madhya Pradesh (2016) 7 SCC 353 — requires that any restriction on a statutory right bear a rational nexus to a legitimate objective and not be excessive relative to that objective. Denying ITC to a bona fide recipient to recover tax that the government could itself recover from the defaulting supplier fails proportionality at every step.
Third, legitimate expectation. The GST regime — its statutory architecture, official communications, and the mandate of GSTR-2A verification — creates a legitimate expectation that compliance by the recipient yields ITC. The government cannot unilaterally defeat that expectation on account of its own enforcement failure against the supplier without offending the principle established in Food Corporation of India v. Kamdhenu Cattle Feed Industries (1993) 1 SCC 71.
VIII.The RCM–Refund Model: Conceptual Foundation
The RCM–Refund Model is a structural reform proposal that resolves the ITC conundrum at its root. Its principle is elegantly simple: where a supplier defaults on GST remittance, the recipient should be permitted to discharge the supplier’s outstanding tax liability under a Reverse Charge Mechanism and claim an immediate, full refund of that amount — thereby crystallising the ITC entitlement and eliminating the constitutional infirmity.
The RCM–Refund Model — Core Structure
Step 1 — Supplier default identified: GSTR-2B mismatch or department notice reveals that the supplier has not filed or paid GST on a supply for which the recipient holds a valid invoice and has paid consideration.
Step 2 — Recipient’s RCM election: The recipient, in lieu of losing ITC, is permitted to pay the defaulted tax amount under a notified RCM entry directly to the government on behalf of the supply received.
Step 3 — ITC crystallisation: Upon RCM payment, the recipient’s ITC for that supply vests absolutely and irrevocably — the tax charged on the supply has now been “actually paid to the Government” within the meaning of Section 16(2)(c), satisfying the condition on the recipient’s own action.
Step 4 — Government’s recovery action: The amount paid by the recipient under RCM is credited to the government’s account. The government then pursues the defaulting supplier for the same amount under Section 76 and the enforcement provisions of the CGST Act, treating the recipient’s payment as a claim enforceable against the supplier.
Step 5 — Refund to recipient upon recovery: When the government recovers the amount from the defaulting supplier (or to the extent it does), the recovered amount is refunded to the recipient under a dedicated refund provision — with interest from the date of the recipient’s RCM payment.
IX.How the RCM–Refund Model Resolves Each Provision
The elegance of the RCM–Refund Model lies in its universality — it addresses the constitutional pathology of each of the five provisions without requiring them to be struck down.
- 16(2)(c)
Supplier-default trap
Recipient’s RCM payment satisfies “actually paid to Government” — condition met on recipient’s own act.
- 16(2)
GSTR-2B mismatch
RCM payment and ITC crystallisation enable GSTR-2B reconciliation — mismatch resolved structurally.
- 74A
Fraud proceedings
Recipient with RCM-settled ITC cannot be included in supplier’s fraud demand — tax already paid, culpability insulated.
- 76
Pocketed tax
Government’s §76 recovery action against supplier is preserved — RCM payment creates a recoverable claim.
R.86B
Cash floor rule
RCM-settled ITC — arising from a confirmed cash payment — should satisfy Rule 86B’s cash-payment intent.
X.Legislative Pathways: Amending the CGST Act
The RCM–Refund Model requires targeted legislative amendment rather than judicial creation. Three provisions need to be added or modified.
Amendment to Section 16(2)(c): Insert a proviso clarifying that where a recipient pays tax under RCM in respect of a supply received, the condition of “tax having been actually paid to the Government” is deemed satisfied as of the date of RCM payment, and ITC vests accordingly.
New Section — Recipient’s RCM Right: Insert a dedicated section, modelled on the existing RCM provisions in Section 9(3) and 9(4), permitting a recipient to voluntarily discharge a supplier’s GST default on any supply received, subject to prescribed conditions and procedure.
Refund Provision under Section 54: Amend Section 54 or insert a new sub-section to create a dedicated refund head — “refund on account of recovery from defaulting supplier upon recipient’s RCM payment” — with prescribed timeline and interest.
These amendments are within the legislative competence of Parliament under Entry 84 of the Union List and the GST Articles 246A and 269A of the Constitution. They do not require constitutional amendment and can be effected through the Finance Act.
XI.Judicial Support: Reading Down Versus Structural Reform
Courts have increasingly expressed discomfort with the current ITC denial regime. The Calcutta High Court in Suncraft Energy Pvt. Ltd. v. ACST (2023), the Madras High Court in D.Y. Beathel Enterprises v. State Tax Officer (2021), and the Allahabad High Court in Shakti Enterprise v. State of U.P. have all directed departments to exhaust enforcement action against suppliers before visiting ITC consequences on bona fide recipients.
However, judicial reading-down of Section 16(2)(c) is an imperfect solution. It requires case-by-case litigation, creates inconsistency across jurisdictions, and does not provide the transactional certainty that businesses require. A Supreme Court ruling on the vested-right status of ITC — while necessary as a holding point — must be accompanied by legislative reform to be effective at scale.
The RCM–Refund Model provides what judicial intervention cannot: a transactional mechanism that prevents the ITC problem from arising, rather than remediating it after the fact through litigation.
XII.Objections Considered and Answered
Objection 1 — Revenue risk: The government may argue that allowing recipients to crystallise ITC through RCM payment creates a revenue risk if suppliers cannot be recovered from. The answer: this risk exists today and is borne by the recipient. Under the proposed model, the government retains the full recovery action against the supplier and has the first call on recovered amounts. The recipient bears only the time-value cost of the RCM payment — addressed by the interest-bearing refund.
Objection 2 — Fraud facilitation: The government may argue that the model is susceptible to collusive arrangements between supplier and recipient. The answer: the model applies only to genuine transactions evidenced by valid invoices, actual receipt of goods or services, and demonstrable payment of consideration. A separate anti-abuse provision can disqualify recipients who are found to have participated in the supplier’s default or fraud.
Objection 3 — Administrative burden: Tracking RCM payments against supplier defaults and managing the corresponding refund pipeline is administratively complex. The answer: the GSTN’s existing infrastructure — already processing GSTR-2B matching, credit ledger entries, and RCM payments under Sections 9(3) and 9(4) — can accommodate this with targeted modification. The administrative burden is smaller than that of the litigation currently generated by mass ITC denial.
XIII.Comparative Perspective: International Precedents
The recipient-protection problem is not uniquely Indian. The European Union’s VAT system faced similar challenges with “missing trader” fraud and the allocation of the resulting credit losses. The Court of Justice of the European Union in Optigen Ltd. v. Customs and Excise Commissioners (Cases C-354/03, C-355/03, C-484/03) held that a bona fide taxpayer who had no knowledge of and no means of knowing that they were participating in a fraudulent transaction has an absolute right to input tax credit. Denial of that credit constitutes a violation of the principle of fiscal neutrality — the VAT equivalent of the anti-cascading principle fundamental to GST.
The EU’s solution — pursued jointly through judicial decisions and legislative reform — placed recovery responsibility on the member state’s enforcement apparatus, not the innocent recipient. The Indian RCM–Refund Model draws directly from this principle while adapting it to the distinctive architecture of the CGST Act.
Conclusion: Realigning Risk with Culpability
The five provisions examined in this article share a common constitutional pathology: they visit the consequences of supplier delinquency on recipients who are innocent of any default. Section 16(2)(c) denies credit for unpaid tax. Section 16(2)’s GSTR-2B regime blocks credit for late filings. Section 74A exposes recipients to fraud proceedings initiated against others. Section 76 creates a theoretical supplier liability that goes unenforced while the recipient bears the practical cost. Rule 86B forces cash payments from taxpayers with wholly legitimate credit balances.
The RCM–Refund Model resolves each of these pathologies without striking down any provision. It gives the recipient agency over their own ITC fate, realigns fiscal risk with the party who caused the loss (the defaulting supplier), preserves the government’s recovery rights, and satisfies every constitutional requirement — vested right, Article 14 equality, proportionality, and legitimate expectation.
ITC is not a concession. It is the mechanism by which GST keeps its foundational promise. The state that promises seamless credit must provide it — or offer a constitutional alternative. The RCM–Refund Model is that alternative.
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