Where Do I Pay Tax If I Live in One Country, Am From Another, and Bill From a Third?

International taxation for digital nomads and global entrepreneurs: how to work out where to pay tax when you live in one country, were born in another and earn your income in a third.

It's an increasingly common scenario. A Brazilian living in Argentina, providing services to clients in the United States and Europe, receiving payment partly in dollars and partly in crypto. No formal employment relationship, no fixed place of business, no obvious answer as to “whose” responsibility it is to collect tax on that income.

The nomadic life solves several things — geographic freedom, international clients, flexible cost of living. But it doesn't on its own answer the question that countries answer differently: where to pay tax when living in another country, when residence, nationality, and billing don't align?

Citizenship Is Not What Determines This

A common mistake is to think that your passport determines where you pay tax. In practice, most countries use other criteria — length of stay, economic ties, where the person's “center of vital interests” is — to decide whether someone is considered a tax resident there. And these criteria aren't uniform: the same set of facts can lead two different tax administrations to opposite conclusions about the same person, in the same year.

The result, when this isn't well mapped out, usually isn't “paying no tax anywhere” — it's the opposite: paying in more than one place, or paying in the wrong place and finding out years later, with a penalty.

Treaties Exist for This. But They Don't Apply on Their Own

Many countries maintain treaties with each other precisely to prevent the same income from being taxed twice. The problem is that these agreements aren't automatic: they depend on how each person's situation fits the treaty's specific rules, and not every pair of countries has such an agreement in force. When they don't, the solution depends on other mechanisms — not always as favorable.

Crypto Adds a Layer Most People Still Ignore

For those who receive part of their income in crypto assets, the assumption that this “doesn't show up on the radar” of any tax administration is increasingly far from reality. Several countries already exchange information with each other specifically about crypto movements, and the trend is for that data exchange to deepen, not recede.

The Cost of Solving This Late

None of these issues tends to show up in daily life — until it shows up all at once, in the form of a notice, a frozen account, or a retroactive assessment. At that point, the options are already more limited and more expensive than they would have been if the structure had been thought through beforehand.

This isn't cause for alarm, but it is cause to treat the topic with the same seriousness given to any other important business decision: understanding, case by case, where the income originates, where the person actually resides for tax purposes, and where to pay tax when living in another country — before the tax authority, or its equivalent abroad, asks that question first.

How We Can Help

T.R. Puppio Advocacia specializes in international tax law for globally mobile professionals. We work in collaboration with partners specialized in different jurisdictions, offering truly integrated support: from determining tax residency to the correct application of international treaties.

Our approach is multidisciplinary by principle. We understand that invoicing in multiple currencies and living between countries is not just an operational matter — it is a strategic life decision that deserves advice equal to the task.

If you are interested in engaging the services of a solicitor,

please get in touch and book a consultation by emailing contato@trpuppioadvocacia.com.br or via WhatsApp.

Legal Notice

This article is exclusively informational and educational in nature, in accordance with the rules of the OAB Code of Ethics and Discipline. The information contained herein does not constitute individualized legal or tax advice. For analysis of specific situations, it is recommended to hire a qualified attorney