When a U.S. tech giant charges its Irish subsidiary a fee to use pre-existing software, that charge—the buy-in payment—can shape where billions in profits end up, and how much tax is ever paid on them.
That might sound like dry accounting. In fact, it’s the front line in a global battle over who gets to tax the modern economy. Buried deep in corporate structures, buy-in payments help multinationals shift profits on intellectual property (IP)—software, algorithms, trademarks—out of high-tax countries and into low-tax jurisdictions. Governments, in turn, are fighting back, claiming these valuations often wildly understate the true worth of the IP being transferred.
The debate isn’t just technical. It’s political. It’s about control—of tax bases, of revenue, and ultimately, of the rules that govern global capitalism.
Cost Sharing and the Buy-In Equation
At the center of this debate is something called a Cost Sharing Arrangement (CSA). These are agreements between a parent company and a foreign subsidiary to jointly develop intellectual property. They’re fully legal under current transfer pricing rules, and the idea is simple: both parties chip in for the R&D and share in the rewards.
But before that can happen, the subsidiary has to pay for access to the parent’s existing IP—that’s the buy-in.
And that’s where things get complicated. Deciding how much that buy-in should be opens the door to all sorts of valuation battles, tax planning strategies, and sometimes even courtroom drama.
Veritas vs. IRS: A Case That Changed the Game
One of the most famous cases in this space involved Veritas Software. In 1999, it entered into a CSA with its Irish subsidiary, which paid $124 million to use existing IP like software and trademarks. The IRS took issue, arguing that the real value of the transferred IP was closer to $2.5 billion (later revised to $1.675 billion).
The IRS used what’s called the income method, calculating the value based on expected future profits. But the U.S. Tax Court didn’t buy it. It sided with Veritas, calling the IRS’s approach “arbitrary and capricious.” The court said buy-ins should only reflect the value of existing assets, not future innovations developed later under the CSA.
This was a major win for multinationals but it also reflected an older, fading era in tax law.
From Veritas to DEMPE: The Shift to Substance
The Veritas decision predated the OECD’s Base Erosion and Profit Shifting (BEPS) project, which radically reshaped global transfer pricing. The old world was dominated by battles over method-income method vs. comparable uncontrolled transaction (CUT). Today, tax authorities focus less on models and more on substance.
Enter the DEMPE framework: Development, Enhancement, Maintenance, Protection, and Exploitation. DEMPE doesn’t tell companies what price to set, but it does ask a crucial question-who’s really doing the work?
If a low-tax subsidiary wants a slice of global IP profits, it now has to prove it’s making real contributions. That means having actual employees—engineers, marketers, developers—not just holding licenses or filing paperwork.
The bar has been raised, and multinationals are being asked to show more economic substance behind their offshore profits.
Valuation: A Tug-of-War Between Methods
The root of most buy-in disputes is valuation. How do you put a price on something as intangible as IP?
The IRS tends to favour the income method, which projects future earnings and discounts them to today’s value. But critics argue this approach is highly speculative-built on assumptions that may or may not hold.
Others prefer the comparable uncontrolled transaction (CUT) method, which uses actual licensing deals between third parties. The catch? Good comparables are hard to find, and those can be cherry-picked, poorly matched, or artificially low. That’s why many have turned to the profit split method. It attempts to allocate profits based on real-world risk-taking and contributions, offering a more balanced and arguably fairer—view of value creation.It’s more nuanced, but also more complex.
Each method has its fans and flaws and at stake are billions in taxes.
Tech Giants and the IP Shuffle
Veritas wasn’t an anomaly. Amazon famously went to court with the IRS over a similar structure and won. Other tech giants have also used CSAs to move valuable IP to places like Ireland and Singapore, where corporate tax rates are far lower than in the U.S.
Multinationals argue these structures reflect economic reality: value is created not only in the lab, but also in local markets, through customer support, localisation, and commercial deployment. A low buy-in payment might be fair if the offshore entity is assuming meaningful business risk or building market share.
Still, many tax authorities remain skeptical. They see CSAs as legally permissible, but often engineered to drain revenue from the countries where most of the real R&D happens.
The reality is somewhere in the middle. The rules allow room for planning but also for pushing limits.
The New Normal: More Oversight, More Evidence
The era of easy profit shifting through CSAs is closing fast. Tax agencies are stepping up audits, and DEMPE has changed the game. Lowball buy-in valuations are now under a microscope.
CSAs are still allowed. But now, multinationals must show that value isn’t just moved-it’s created. They have to prove that people, processes, and business risks are actually tied to the offshore entity, not just written into a contract.
More Than Just Tax: A Question of Global Power
In the end, this isn’t just about how to price a piece of software or assign a tax rate. It’s about power. It’s about who gets to define value, where it’s located, and who has the right to tax it.
Should a company be able to shift billions in profits offshore by making a one-time buy-in payment for priceless IP? That’s not just a technical tax issue-it’s a question of distributive politics. Of whether nations or corporations write the rules of the global economy.
And as long as intangible assets continue to dominate modern business, the fight over how they’re valued and who gets to tax them will remain one of the most important economic debates of our time and will remain at the centre of global economic power.
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