ANALYSIS: Section 122 vs IEEPA — Trump's legal toolkit for taxing the world and its flaws

Introduction: A president who taxes the world and the courts that push back

A hundred percent threat on a single Truth Social post

On June 26, 2026, President Donald Trump posted a threat on Truth Social: any country implementing a Digital Services Tax (DST) targeting American technology companies would face 100% tariffs on its exports to the United States. No congressional hearing. No formal regulatory process. A single social media post, and the international trading system flinched.

This is the Trump trade doctrine reduced to its essence: maximum pressure, minimum legal formality, maximum personal authority. The problem — and it is a growing problem — is that the legal tools sustaining that authority are deteriorating. The courts have started saying no. The clock is ticking on Section 122. And the world has begun building workarounds.

The legal architecture that enables Trump's tariff power

Presidential tariff power in the United States flows from several statutory sources. The two most important in the current trade war context are IEEPA (International Emergency Economic Powers Act) and Section 122 of the Trade Act of 1974. Each gives the president different authorities, different constraints, and — as it turns out — different vulnerabilities to judicial review.

Understanding the difference between these two legal instruments is essential to understanding not just Trump's current strategy, but also its structural fragility. A trade war built on shaky legal foundations is not just a policy choice — it is a governance crisis waiting to materialise.

IEEPA: the emergency tool that wasn't meant for tariffs

What IEEPA authorises and what it doesn't

The International Emergency Economic Powers Act was passed in 1977 to give presidents emergency powers to address unusual and extraordinary threats to national security originating outside the United States. It was designed for sanctions regimes, asset freezes, and targeted financial measures — not for broad, permanent tariffs applied to virtually every country on earth.

Trump's first term use of IEEPA to justify tariffs was already legally contested. His second term use — applying IEEPA to justify the universal 10% global tariff announced in April 2025 — pushed those contestations to a breaking point. The statute's requirement that any emergency be "unusual and extraordinary" struggled to accommodate a tariff programme that appeared to be permanent trade policy dressed in emergency clothing.

The Supreme Court says no — February 2026

In February 2026, the United States Supreme Court issued a ruling that invalidated the IEEPA-based global tariffs. The Court's reasoning centred on the nondelegation doctrine — the principle that Congress cannot delegate unlimited legislative authority to the executive branch without an intelligible principle constraining that delegation. Using a 1977 emergency statute to permanently restructure global trade did not meet that standard.

The ruling did not end Trump's tariff programme. It ended one legal justification for it. The administration immediately pivoted to alternative statutory authorities, including Section 122, Section 301, and Section 232. But the IEEPA invalidation sent a clear signal: the courts are watching, and unlimited presidential trade authority has limits.

Section 122: the tool with an expiration date

What Section 122 actually says

Section 122 of the Trade Act of 1974 authorises the president to impose a tariff surcharge of up to 15% on imports to address a significant US balance of payments deficit. It is a legitimate trade tool — narrow, specific, and time-limited by statute. The law caps any Section 122 tariff at 15% and limits its duration.

The critical detail: Section 122 authority expires on July 24, 2026 for the tariffs currently in effect. After that date, the legal foundation for tariffs imposed specifically under this authority dissolves unless Congress acts to extend or renew it. The administration has been aware of this deadline and has been working to substitute other legal authorities before the clock runs out.

The 15% cap problem for a 100% threat

There is an obvious tension between threatening 100% tariffs on DST countries and having a legal tool that caps tariffs at 15%. Section 122 cannot deliver the punishment Trump is threatening. It is a warning shot, not the weapon described. This gap between rhetoric and legal reality is not merely academic — it shapes how seriously trading partners take the threats.

The European Union's trade negotiators, the Japanese Ministry of Economy Trade and Industry, and the Korean trade ministry all have lawyers who read American trade statutes. They know about the July 24 expiration. They know about the 15% cap. They calibrate their responses accordingly. The credibility of a trade threat depends partly on whether the legal mechanism for executing it actually exists.

Section 301: the slow alternative

A legitimate but cumbersome tool

Section 301 of the Trade Act of 1974 authorises the United States Trade Representative to investigate and respond to foreign trade practices that are unreasonable, unjustifiable, or discriminatory and burden American commerce. It is the legal basis for the original China tariffs imposed in 2018. Unlike IEEPA and Section 122, Section 301 has a formal investigative procedure — which means it takes time.

A Section 301 investigation typically requires public notice, comment periods, interagency consultation, and a formal USTR determination before tariffs can be imposed. The process can take six months to a year. For a president who wants to respond to a DST announcement within days, Section 301 is operationally useless as a rapid-response tool — even if it is the most legally durable mechanism available.

The administration's dilemma: speed versus durability

This tension — between the speed of executive action and the durability of legal authority — is the central dilemma of Trump's trade war. IEEPA was fast but has been invalidated. Section 122 is available but capped at 15% and expiring. Section 301 is durable but slow. Section 232 (national security) is available but narrowly justified for digital services.

The result is a trade policy that operates increasingly on bluff, precedent, and diplomatic pressure rather than solid legal foundation. Trading partners who are willing to call the bluff — or who have the diplomatic weight to negotiate bilateral arrangements — are discovering that the enforcement mechanism may be weaker than the rhetoric suggests.

Digital Services Taxes: what they are and why Trump hates them

The global spread of DST regimes

Digital Services Taxes are levies imposed by countries on the revenues that large digital companies — mostly American — earn from users in their territory. The United Kingdom's DST is set at 2%, generating approximately £800 million annually. France's DST stands at 3%, with proposals to raise it to 6-15% under active consideration. More than twelve countries globally have implemented some form of DST, including India's equalisation levy and Brazil and Indonesia's variants.

The taxes are explicitly designed to capture tax revenue from companies like Google, Meta, Apple, Amazon, and Microsoft that generate enormous value from European and Asian users while paying relatively limited corporate taxes in those jurisdictions. From the perspective of European governments, DSTs are a legitimate fiscal response to a structural gap in international tax law.

Why Washington sees it differently

From Washington's perspective, DSTs are discriminatory measures targeting American companies. Because no European or Asian company has comparable global digital revenue at the scale of US Big Tech, DSTs function in practice as tariffs on American corporate profits. The US position — articulated consistently across both Trump and Biden administrations — is that DSTs are fundamentally incompatible with international trade rules and represent a form of economic nationalism.

The irony — which the Europeans note with some satisfaction — is that a president who has made economic nationalism the centrepiece of his trade policy is simultaneously demanding that other countries not practice their own version of it. The asymmetry of that position is not lost on trading partners.

The EU-US deal and the 100% threat — the same day

An agreement reached, then immediately threatened

On June 25, 2026, the European Union and the United States reached a bilateral trade deal that included a 15% tariff cap — effectively institutionalising the Section 122 level as a negotiated ceiling. European trade officials described the agreement as a significant de-escalation. Less than twenty-four hours later, Trump posted the 100% DST threat on Truth Social.

The sequencing was either a coincidence of extraordinary poor timing, a deliberate pressure tactic designed to extract further concessions, or evidence of internal incoherence between the administration's trade negotiators and the president himself. European officials spent the following days trying to determine which of these explanations was correct — because the answer determines their response strategy.

Canadian capitulation as precedent

In 2025, Canada became the first major Western country to formally capitulate to US DST pressure — agreeing to suspend its proposed Digital Services Tax in exchange for a bilateral trade arrangement. The Canadian decision was interpreted in Washington as validation of the maximum-pressure strategy and in Ottawa as a pragmatic concession by a smaller economy dependent on US market access.

The Canadian precedent has complicated the European calculus significantly. If Canada — which shares a land border, a common language with the US in two provinces, and a deep economic integration — chose to yield, what does that say about European resolve? European trade strategists are keenly aware that the credibility of European solidarity is being tested each time a member state quietly negotiates its own bilateral accommodation with Washington.

The OECD Pillar 1 burial — a multilateral solution abandoned

What Pillar 1 was supposed to do

The OECD's Two-Pillar Solution was the most ambitious attempt in a generation to reform international corporate taxation. Pillar 2 — a global minimum corporate tax of 15% — has made significant progress, with many OECD countries implementing it. Pillar 1 — which would have reallocated taxing rights over the largest multinational corporations (including US Big Tech) to the countries where their users and consumers are located — was explicitly designed to make DSTs unnecessary.

In theory, Pillar 1 would have satisfied European fiscal ambitions through a multilateral framework rather than unilateral DSTs, thereby removing the US objection. In practice, Trump's administration has made clear that it will not accept any international tax agreement that reduces US Big Tech's tax advantages. Pillar 1 is effectively dead, buried by American refusal to ratify and the absence of a viable enforcement mechanism without US participation.

The WTO paralysis

The World Trade Organization's appellate body has been non-functional since 2019, when the Trump first term blocked new appointments to its judicial panel. Without a functioning appeals mechanism, WTO dispute settlement has been reduced to first-instance panels whose rulings cannot be appealed or enforced against a non-complying party. The European Union has established a Multi-Party Interim Appeal Arrangement (MPIA) with willing partners, but the United States is not a participant.

The practical result is that the multilateral trade governance system is paralysed at the precise moment it is most needed. DST disputes cannot be resolved through WTO mechanisms. Retaliatory tariff cycles cannot be adjudicated through international law. Every dispute must be resolved bilaterally, where the asymmetry of power — American market size versus trading partners — systematically favours Washington.

Big Tech: the real beneficiaries of tariff pressure

Who wins when DSTs are blocked

The most direct beneficiaries of Trump's DST pressure campaign are America's largest technology companies: Google, Meta, Apple, Amazon, and Microsoft. These five companies collectively generate hundreds of billions in annual revenue from European, Asian, and Latin American markets. A successful US campaign to block or suspend DSTs globally would save them billions of dollars annually in foreign tax obligations.

The political economy is worth examining. These companies are among the largest political donors in the United States and have invested heavily in relationships with the current administration. The alignment between their commercial interests and US trade policy is not a conspiracy — it is simply the normal operation of concentrated corporate influence in democratic politics. But it is worth naming clearly.

The household cost of tariff wars

While Big Tech benefits from DST suppression, American households pay the cost of broader tariff escalation. Independent economists have estimated that Trump's tariff programme costs the average American household between $1,200 and $1,700 per year in higher prices for imported goods — from consumer electronics to clothing to automobiles. These costs fall disproportionately on lower-income families who spend a higher share of income on goods.

The distributional impact is politically significant: a trade policy that benefits the largest corporations while imposing costs on lower-income households is, by definition, regressive. This contradiction — between the economic nationalist rhetoric and the actual distributional consequences — is one that the administration's critics have pressed repeatedly, and that its defenders have struggled to answer satisfactorily.

European solidarity — the ultimate test

The structural challenge of 27-country unity

The European Union's greatest strength in trade negotiations — its 450-million-consumer market and unified trade policy — is also its greatest structural vulnerability. Trade policy requires unanimity or qualified majority among 27 member states with vastly different economic relationships with the United States. Ireland, which hosts the European headquarters of most major US tech companies, has very different interests than France, which has been the most aggressive DST proponent.

The Commission has the formal authority to negotiate trade policy. But member states can apply political pressure, seek bilateral side-deals, or simply drag their feet on implementation. The June 25 deal with a 15% cap was a Commission negotiation — but within hours, the 100% threat from Truth Social was creating demands from some member states to reconsider the terms before the ink was dry.

The retaliation precedent — Harley, bourbon, Levi's

In 2018, the EU responded to Trump's steel and aluminium tariffs with precisely targeted retaliatory tariffs on American products chosen for maximum political impact: Harley-Davidson motorcycles (Wisconsin — Paul Ryan's state), bourbon (Kentucky — Mitch McConnell's state), and Levi's jeans (San Francisco). The message was unmistakable: we know your political geography, and we will use it.

The same toolkit remains available. French champagne, wines, and luxury goods worth approximately €2.5 billion in annual US exports could be targeted. German automobiles. Spanish olive oil. Italian fashion. The European Union has the market size and the political will to impose real economic costs on American exporters — which means imposing political costs on the American politicians who represent those exporters. The question is whether European political will is durable enough to withstand a prolonged confrontation.

The sovereignty dimension

Can a country tax its own digital economy?

The deepest question in the DST dispute is one of democratic sovereignty: does a country have the right to tax economic activity that occurs within its borders, even if that activity is conducted by foreign corporations? The European position — shared by the UK, Canada (until its capitulation), India, and others — is that the answer is obviously yes. Fiscal sovereignty is a foundational attribute of statehood.

The American position, in practice if not always in stated principle, is that US companies have a right to operate in foreign markets on terms set primarily in Washington. That this position would be recognised as outrageous if applied by any other country to American markets seems not to trouble its proponents. The double standard is the architecture of American economic hegemony — and it is increasingly being named as such by trading partners.

The DMA and DSA under fire

The Digital Services Tax is not the only European regulatory framework drawing American pressure. The EU's Digital Markets Act (DMA) — which designates major tech companies as "gatekeepers" and imposes interoperability and fair competition obligations — and the Digital Services Act (DSA) — which requires platforms to police illegal content and disinformation — have both been described by Trump administration officials as trade barriers targeting American companies.

The argument that consumer protection regulation constitutes a trade barrier is a significant escalation. If accepted, it would mean that any country wishing to regulate the behaviour of American digital platforms in their domestic markets must secure American permission first. The implications for democratic governance of the digital economy are profound and, frankly, alarming.

What comes after July 24 — the Section 122 expiration

The administration's options after the deadline

When Section 122 authority expires on July 24, 2026, the administration faces several options. First, it can seek congressional legislation to extend or replace Section 122 authority — possible but politically uncertain in a divided Congress. Second, it can rely more heavily on Section 301 investigations — legally durable but procedurally slow. Third, it can attempt to construct new emergency authority under Section 232 (national security) — legally strained for digital services but not impossible.

Fourth — and perhaps most likely — it can use the expiration as a negotiating pressure point in bilateral talks, threatening to find new legal authorities while simultaneously dangling the prospect of moderated tariffs in exchange for DST concessions. This is the Trump trade doctrine in its purest form: manufactured uncertainty as leverage.

The congressional dimension

Congress has been notably passive in the tariff debates of the Trump years. The constitutional authority to regulate international commerce belongs to Congress under Article I, Section 8. But Congress has delegated much of that authority to the executive through statutes like IEEPA, Section 122, and Section 232 — and has been reluctant to reclaim it even when the executive has stretched those delegations beyond their original intent.

The Supreme Court's IEEPA ruling may change this calculus. If courts continue to invalidate executive trade authority, Congress faces a choice: actively legislate new trade authority, or watch American trade policy become legally unenforceable. Several senators from trade-dependent states have begun discussions about a new trade authority framework that would give presidents clear statutory powers while restoring congressional oversight. Whether those discussions produce legislation is the question.

The global DST coalition and American isolation

Twelve countries and counting

At last count, more than twelve countries have implemented or are actively implementing some form of Digital Services Tax. The list includes the United Kingdom, France, Italy, Spain, Austria, Turkey, India (equalisation levy), Kenya, Nigeria, Malaysia, Indonesia, and several others. This is not a fringe movement — it is a mainstream global fiscal response to the failure of existing international tax rules to capture digital economy revenues.

The breadth of the coalition means that a successful US campaign to block DSTs through bilateral pressure would require successfully coercing more than a dozen countries simultaneously — including India, with 1.4 billion people and a large domestic digital economy, and the UK, America's closest ally. The political and diplomatic cost of that campaign, even if ultimately successful, would be enormous.

The OECD's diminished authority

The OECD has been the primary forum for international tax negotiations for thirty years. Its Two-Pillar Solution represented the culmination of a decade of work to modernise international tax rules for the digital age. With Pillar 1 effectively buried by American non-participation and Pillar 2's implementation patchy and contested, the OECD's authority in digital taxation has been significantly diminished.

Countries that invested years in the OECD process and then watched it fail due to US recalcitrance are now concluding that unilateral DSTs are the only available mechanism for capturing digital economy revenues. This is not a conclusion they reached happily — it is the conclusion that was forced upon them by the collapse of multilateral negotiations. The US position has, paradoxically, made DSTs more likely, not less.

The market reaction and corporate hedging

How financial markets are reading the signals

Financial markets have been oscillating between trade war pessimism and deal optimism throughout the tariff cycle of Trump's second term. The June 25 EU-US deal produced a brief rally in European equities and a weakening of defensive positions in trade-sensitive sectors. The June 26 Truth Social threat reversed much of those gains within hours.

The volatility itself has economic costs. Business investment decisions that require three-to-five-year horizons — factory construction, supply chain restructuring, R&D commitments — are being systematically deferred in sectors exposed to tariff risk. The uncertainty premium embedded in trade-exposed valuations represents a real drag on capital formation that is difficult to quantify precisely but is consistently flagged by corporate CFOs.

Big Tech's complex position

America's largest technology companies have been the ostensible beneficiaries of Trump's DST campaign. But their position is more complex than simple gratitude. Apple generates over 60% of its revenue outside the United States. Google, Meta, and Microsoft are similarly globally dependent. A full-scale trade war that fragments the global digital economy — with different data governance, tax, and platform rules in every major jurisdiction — would impose enormous compliance costs even on companies that benefit from blocking DSTs.

Several Big Tech companies have been quietly engaged in diplomatic back-channel efforts to find a negotiated DST framework that avoids the worst-case tariff escalation scenario. Their interests are not perfectly aligned with the administration's confrontational posture. They want to avoid DSTs — but they want even more to avoid a world in which operating in Europe costs 100% tariff exposure on their hardware products.

The transatlantic relationship under pressure

More than a trade dispute

The DST dispute is not happening in isolation. It is occurring against the backdrop of NATO burden-sharing tensions, defence spending commitments, Ukraine support coordination, and China policy divergence. European leaders who are simultaneously trying to coordinate a credible deterrence posture against Russia, manage Chinese economic leverage, and maintain the transatlantic alliance are finding that every trade confrontation with Washington consumes political capital they cannot afford to waste.

The European position requires maintaining unity on Russia sanctions while negotiating trade separately with the country whose security guarantee underpins European defence. This is not impossible — Western allies have managed similar tensions throughout the Cold War. But it requires sustained political discipline and diplomatic skill that are increasingly strained by the volume and pace of American economic pressure.

The medium-term trajectory

Projecting beyond July 2026, the most likely scenario is managed uncertainty — bilateral deals negotiated country by country, DST suspensions in some jurisdictions, modified rates in others, and an ongoing low-level tariff threat that is never fully resolved but never fully detonates. The 100% threat is almost certainly a negotiating position, not an operational plan. The legal tools to execute it do not currently exist in their stated form.

What will persist is the structural problem: digital economy taxation remains fundamentally unresolved. The OECD process is stalled. Bilateral deals are incomplete. Unilateral DSTs are proliferating. And the legal authority for American trade retaliation is under sustained judicial challenge. The June 26, 2026 Truth Social post is not the end of this story. It is another episode in a conflict that has no clear resolution mechanism.

Conclusion: Law, leverage, and the limits of unilateral power

The legal foundations are cracking

The central finding of any serious analysis of Trump's trade toolkit in mid-2026 is this: the legal architecture supporting maximum-pressure tariff policy is deteriorating. IEEPA has been invalidated by the Supreme Court. Section 122 expires July 24. Section 301 is too slow for the speed at which Trump deploys threats. The gap between what the president threatens and what the law currently authorises is wide and widening.

That gap will either be filled by congressional action — possible but uncertain — or exploited by trading partners who understand that the enforcement mechanism behind the rhetoric is weaker than advertised. The next six months will determine which of those outcomes materialises.

The cost of weaponised uncertainty

Whatever one thinks of the merits of DST policy, the method of trade governance through Truth Social posts, expired statutes, and invalidated emergency powers imposes real costs on the global economy. Investment is deferred. Supply chains are disrupted. Trading relationships that took decades to build are strained by manufactured uncertainty. Those costs do not appear in a single newspaper headline. They accumulate invisibly in corporate investment decisions and household purchasing power, quarter after quarter.

The world deserves a more functional system for governing digital economy taxation than the one currently on offer. The OECD had the architecture for it. The US chose to bury it. The consequences of that choice — in DSTs, in tariff cycles, in legal invalidations, in Truth Social threats — are what we are now living through.

Signed Maxime Marquette, columnist

Columnist's transparency box

My position and limits

I am a columnist who believes in free trade, multilateral governance, and the rules-based international economic order. I am critical of unilateral trade coercion, whether practiced by the United States, China, or any other actor. I believe DSTs are legitimate fiscal instruments and that the American campaign to suppress them is disproportionate and legally fragile. These are my views, stated openly.

Assumed biases and method

My analysis draws on publicly available sources: CNBC, Euronews, Bloomberg, Politico, the BBC, the New York Times, and specialised trade policy publications. I am not a trade lawyer, and my legal analysis should be read as informed journalism rather than legal opinion. Where legal questions are contested, I have noted the contestation. I have not had access to confidential negotiating positions from any government.

Sources

Primary sources

CNBC — Trump tariff threat on digital services tax — June 26, 2026

Euronews — Trump threatens 100% tariffs if Europe implements digital services tax — June 26, 2026

FEDA — Court of Appeal keeps 10% global tariff in place for now — 2026

Secondary sources

CNBC — Rheinmetall defence stocks and Germany F126 context — June 25, 2026

EU Perspectives — SAFE but slow: why defence loans miss the target — June 2026

Kyiv Independent — Ukraine receives first tranche of €90 billion EU loan — June 2026