The Remote Employee Who Accidentally Creates a Tax Presence Abroad

A worker who spends a few weeks logging in from a family home in another country rarely thinks of themselves as a tax event. To the company that employs them, under the wrong circumstances, that is exactly what they can become.

The underlying rule is old, older than remote work itself as a mainstream idea. The relevant treaty provision defines this as a fixed place of business through which the activities of an enterprise are wholly or partly carried out. Permanent establishment is not a phrase most HR or mobility teams encounter day to day. It belongs to tax counsel, which is exactly why a remote-work decision made entirely inside HR can create a problem nobody on that side of the business was ever trained to spot.

A rule built for offices, stretched to cover kitchen tables

That definition has not moved much with the times. The provision is largely unchanged since its inception in 1963.

Nothing in the original language anticipated a laptop and a home Wi-Fi connection standing in for a branch office. For most of its history, that gap barely mattered, because working from home in another country for any real stretch of time was rare enough to stay a footnote rather than a live business question. That footnote status is precisely what made the rule easy to ignore for decades. A handful of long-term expatriate arrangements, carefully structured with tax advice from the start, were the exception that proved how rare the pattern otherwise was.

When the pandemic forced a temporary answer

Remote work stopped being rare almost overnight, and tax authorities scrambled to respond. Guidance addressing the sudden shift was released in April 2020 and updated in January 2021.

That guidance was explicitly temporary, built for an emergency rather than a permanent shift in how people work. Once the emergency passed, so did the guidance, even though the underlying behavior it addressed never really went back to how things were before. Businesses that had built temporary remote-work policies around that emergency guidance, expecting a permanent update to arrive soon after, found themselves waiting years for anything more durable to replace it.

The update built for the world that actually exists now

Businesses were left relying on old, sparse treaty language for a pattern of working that had become completely ordinary. The update clarifies when remote work across borders, such as from a home office, creates a taxable presence for business.

The core distinction the update draws is about proportion and purpose, not simply whether someone occasionally opens a laptop abroad. A person working from home for less than half of their total working time generally does not, on its own, create a taxable presence, and even more time spent there does not automatically tip the balance if there is no real business reason for the work to happen from that particular country. Consider two employees with identical job titles at the same company. One works two days a week from a home office as a personal preference, comfortably under the threshold. The other works from a family home abroad for months at a stretch because the business genuinely needs a presence there. Only one of those arrangements is likely to raise a real question.

The scale of what rides on getting this right is easy to underestimate. There are more than 3,000 tax treaties in force worldwide, most of them built on the same underlying framework this update clarifies.

A mobility policy written without any input from tax counsel can quietly create exposure the immigration side of the business never intended and never even sees coming. A remote-work arrangement approved purely as an HR accommodation can, in the wrong country and duration, become a tax filing obligation nobody budgeted for. The cost of that surprise is rarely limited to one bill. Retroactive assessments can span years of activity, and untangling after the fact exactly how much work happened where is far harder than tracking it in real time would have been.

Building a policy that actually checks both boxes

The safest approach treats any extended remote-work request touching a different country as a two-signature decision, not a single approval from whichever manager the request happens to land on first.

A short standard question set, how long, from where, and why that location specifically, catches most of the risk before it becomes a real problem. The alternative is finding out the hard way, in an audit, that a well-intentioned flexibility policy quietly built a footprint the company never meant to have. None of this argues against remote work itself. It argues for treating cross-border remote arrangements as a genuine business decision, reviewed by people equipped to see the tax consequences, rather than a favor granted informally and never revisited.