A tax is not defined by how it is written; it is defined by what it taxes. The constitutional test has always been the taxable event. If Entry 47 is read as permitting multiple income taxes on the same taxable event, the entry ceases to be a constitutional boundary
Dr. Ikramul Haq
“Section 4C is a distinct charge on a distinctly defined base of income, and taking nothing away from the charge of tax under Section 4 or from the final, minimum, or separate regimes elsewhere in the statute. It contains its own machinery mechanism of collection and recovery for this very reason, distinguishable as it is from taxable income and other regimes in ITO—Federal Constitution Court of Pakistan in M/s. DG Khan Cement Company Limited and another Vs. The Federation of Pakistan thr. Secretary Revenue Islamabad and others
The long-awaited and much-delayed detailed order on super tax issued by Federal Constitutional Court (FCC) of Pakistan on May 29, 2026 [short order was announced on January 27, 2026] is being read as a routine affirmation of Parliament’s fiscal authority. It is anything but routine. It marks a decisive shift in Pakistan’s fiscal and constitutional jurisprudence—one that weakens long-standing limits on the State’s taxing power and risks converting a carefully structured Constitution into a permissive fiscal instrument.
At the heart of the judgment lies a simple but far-reaching claim: Parliament may impose multiple taxes on “income” under Entry 47, Part I of the Federal Legislative List (FLL), Fourth Schedule to the Constitution. Super tax, the Court holds, is merely another such levy—independent, self-contained and constitutionally valid. That proposition, once unpacked, is not a clarification of constitutional law; it is a departure from it.
The Constitution does not grant an open-ended power to tax. It allocates fields of taxation between the federation and the provinces [Articles 141 & 142 of the Constitution]. Entry 47 authorises “taxes on income”. This phrase has never meant that “income” can be taxed repeatedly under different statutory labels. It identifies a subject—income—not an unlimited number of fiscal exactions upon that subject. If Entry 47 is read as permitting multiple income taxes on the same income, the entry ceases to be a constitutional boundary. It becomes a fiscal vacuum.
The Court’s reasoning rests heavily on form. Section 4C, it observes, is a separate charging provision; it defines its own base; it operates independently of the general income tax under Section 4 of Income Tax Ordinance, 2001 [“the Ordinance”]. From this, the conclusion is drawn that it constitutes a distinct tax. This is a classic instance where legislative drafting has been mistaken for constitutional substance. A tax is not defined by how it is written; it is defined by what it taxes. The constitutional test has always been the taxable event. Income tax under section 4 of the Ordinance attaches to the earning of income in a tax year.
Super tax under section 4C of the Ordinance attaches to precisely the same event. It does not depend on a different activity, a separate transaction, or a distinct economic occurrence. It identifies the same income and imposes an additional burden upon it. Calling it “independent” does not change its character.
The Court’s acceptance of this formal distinction is troubling because it allows constitutional limits to be bypassed through drafting techniques. If a new charging section is sufficient to create a new tax, then there is no principled limit to fiscal multiplication. Income may be taxed repeatedly—through super tax, additional super tax, or any number of creative labels—each justified as a distinct levy. The Constitution becomes irrelevant to the exercise.
The Court goes further in its additional note by holding that section 4C, being an additional levy on income, does not amount to constitutionally prohibited double taxation and that even onerous taxation does not violate Articles 4, 18, 23 or 24 of the Constitution. This finding requires careful scrutiny.
An “additional” levy in constitutional parlance can only operate with reference to the same quantified tax liability, not by reconstructing the very base on which that liability is computed. Super tax under section 4C of the Ordinance does not merely add to an existing income tax; it recalibrates income itself—by excluding losses, depreciation and other recognised adjustments—and then imposes a fresh burden. This is not an increment; it is a re-computation followed by re-taxation.
Such a levy [super tax or under any nomenclature] cannot be defended as a permissible “additional duty”. In fiscal jurisprudence, an additional tax presupposes an existing, properly computed liability and operates as a surcharge or enhancement upon it. Once the base itself is altered, the levy ceases to be additional and becomes duplicative in substance.
The Constitution does not prohibit hardship; it prohibits taxation without lawful authority and beyond defined competence. Articles 23 and 24 of the Constitution protect property not only from direct expropriation but also from compulsory exaction without legal foundation. When the same income is subjected to tax again after being artificially redefined, the burden is no longer a matter of degree—it is a matter of constitutional character.
The Court’s observation that “reasonable taxation, even if onerous, does not infringe fundamental rights” is unexceptionable in the abstract, but misplaced in this context. The issue is not the quantum of tax, but the legitimacy of the second charge. Onerous taxation within constitutional limits is permissible; repeated taxation of the same taxable event under altered computational devices is not. By conflating the two, the judgment risks diluting the distinction between lawful taxation and unconstitutional duplication.
This is precisely what constitutional jurisprudence has always guarded against. Across common law systems, courts have looked beyond legislative language to determine the true nature of a tax. The doctrine of pith and substance exists for this reason. It asks a simple question: what is the real subject of the levy? If that subject is the same, repetition of tax invites scrutiny, not automatic validation.
The judgment sidesteps this doctrine. Instead, it substitutes a new test: if the legislature has enacted a separate charging provision, the tax is distinct. That is not a constitutional principle; it is a legislative convenience elevated to constitutional status.
The implications are immediate. Section 4C of the Ordinance does not merely replicate income tax; it does so on a distorted base. By excluding losses, depreciation and other legitimate adjustments, it constructs a notional measure of income that may bear little resemblance to economic reality. This is not taxation of income in the conventional sense; it is taxation of a manipulated figure designed to maximise yield. Yet the Court treats this distortion as evidence of independence rather than as confirmation of duplication.
Equally significant is the treatment of Entry 52, Part I of FLL. This entry permits certain capacity-based taxes, but only where they operate “in lieu of” other taxes. The phrase is restrictive by design. It embodies a constitutional compromise: where the State departs from normal income taxation, it must do so as a substitute, not an addition. Super tax does not meet this test. It does not replace income tax; it accumulates on top of it.
The taxpayers’ argument on this point was straightforward. If a levy is not in substitution but in addition, it cannot be justified under Entry 52. The Court’s response effectively neutralises the distinction. By validating super tax under Entry 47, it renders Entry 52 redundant. The careful balance between substitution and addition—central to the constitutional design—is erased.
The historical argument deployed to justify multiple taxation fares no better. References to super tax, excess profits tax and business profits tax are misplaced. These levies were imposed in exceptional circumstances and targeted a distinct taxable event: extraordinary or windfall profits. They did not tax ordinary income already subjected to normal income tax. Their coexistence with income tax was justified precisely because they addressed a different economic phenomenon.
Super tax under sections 4B and 4C does not operate in that space. It does not isolate excess profit; it taxes income again. The analogy, therefore, does not support the Court’s conclusion. It underscores the absence of a distinct taxable event.
Comparative jurisprudence offers little comfort for the Court’s approach. In India, while double taxation is not absolutely prohibited, courts have consistently emphasised that it must be clearly intended and justified. The permissibility of multiple levies has never been equated with unlimited fiscal duplication. The distinction between different aspects of a transaction and the same aspect taxed repeatedly remains central. In the United Kingdom and other common law jurisdictions, the inquiry similarly focuses on substance. Courts examine the true character and incidence of the levy. Legislative labels do not determine constitutional validity. Where the same economic base is targeted, repetition is scrutinised, not presumed permissible.
Even in the United States, where constitutional constraints on taxation are framed differently, the underlying concern persists. Taxation must bear a rational relationship to a legitimate subject. Multiplication of burdens on the same subject raises questions of fairness, arbitrariness and due process.
The FCC’s judgment departs from this shared understanding. It treats multiplicity as inherent in the constitutional grant rather than as an exception requiring justification. That shift has profound consequences.
The most immediate is the erosion of taxpayer protection. Once the same income can be taxed repeatedly, the taxpayer loses the ability to invoke the Constitution as a shield. Each new levy can be defended as a separate tax, even though its incidence is identical. The cumulative burden may become confiscatory, but the Constitution offers no relief because the formal requirements of separate enactment are satisfied.
The second consequence is institutional. Fiscal legislation in Pakistan is already characterised by limited parliamentary scrutiny, particularly in the context of Money Bills. The Senate’s role is advisory; the executive’s influence is decisive. By expanding the scope of Entry 47, the Court has effectively enlarged the executive’s fiscal space without corresponding safeguards. The risk of overreach is not theoretical; it is structural.
The third consequence concerns federalism. The allocation of taxing powers between the federation and the provinces is a cornerstone of the constitutional order. If federal entries are interpreted expansively, the space available to provinces contracts. Super tax, though framed as an income tax, has implications that extend beyond revenue. It alters the fiscal balance envisaged by the Constitution.
None of this is to suggest that the State lacks the power to raise revenue or to respond to fiscal exigencies. The issue is not one of necessity but of method. Constitutional limits exist precisely to ensure that necessity does not become justification for overreach. The Court’s judgment blurs this distinction.
The broader concern remains conceptual. By validating super tax on the basis of its formal independence, the Court has shifted the focus of constitutional analysis from substance to form. That shift is difficult to reconcile with the principles that have guided tax jurisprudence for decades. A constitution is not a collection of words to be read in isolation. It is a structure of power, defined by limits as much as by grants. When those limits are interpreted away, the structure weakens. The immediate beneficiary may be the State, but the long-term cost is borne by the system itself.
The super tax judgment is therefore not the end of the debate. It is the beginning of a deeper inquiry into the nature of taxing power in Pakistan. Does Entry 47 permit repeated taxation of the same income? Can legislative drafting override constitutional substance? What remains of Entry 52 if “in lieu of” is read as “in addition to”? These questions cannot be settled by assertion; they require careful judicial engagement.
For now, the judgment stands as a reminder that constitutional interpretation is not merely about resolving disputes. It is about preserving the balance between power and restraint. In fiscal matters, that balance is easily disturbed. Restoring it is far more difficult. The Constitution does not forbid taxation. It forbids unbounded taxation. That distinction must not be lost.
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Dr. Ikramul Haq, Advocate Supreme Court, Adjunct Faculty at Lahore University of Management Sciences (LUMS), member Advisory Board and Visiting Senior Fellow of Pakistan Institute of Development Economics (PIDE), holds an LLD in tax laws. He was full-time journalist from 1979 to 1984 with Viewpoint and Dawn. He also served Civil Services of Pakistan from 1984 to 1996.