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What Is a Tax Treaty?


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    Highlights

  • Tax treaties are bilateral agreements that prevent double taxation on income earned by citizens or businesses in foreign countries
  • The OECD model favors capital-exporting countries by requiring source countries to reduce taxes on certain incomes
  • The UN model provides more taxing rights to developing countries receiving investments
  • Withholding taxes in treaties set reduced rates on dividends and interest for non-residents
Table of Contents

What Is a Tax Treaty?

Let me explain what a tax treaty is: it's a bilateral agreement between two countries aimed at resolving issues of double taxation on both passive and active income. These income tax treaties set out how much tax each country can impose on a taxpayer's income, capital, estate, or wealth. You might also hear them called Double Tax Agreements or DTAs.

Key Takeaways

  • A tax treaty is a two-party agreement that addresses potential double taxation for citizens of each country.
  • When you or your business invests abroad, questions arise about which country taxes your earnings.
  • Countries enter tax treaties to decide taxing rights and avoid taxing the same income twice.
  • Tax havens, which offer low or no corporate taxes, usually don't sign these treaties.

How a Tax Treaty Works

If you're investing in a foreign country, you might face the issue of which nation gets to tax your earnings. The source country, where the investment is hosted—also known as the capital-importing country—and the residence country, where you live—sometimes called the capital-exporting country—can form a tax treaty to agree on taxing rights and prevent double taxation.

These treaties often follow one of two main models: the OECD Model or the UN Model Convention.

OECD Tax Treaty Model vs. UN Tax Treaty Model

The OECD, a group of 37 countries focused on promoting world trade and economic progress, has its own Tax Convention on Income and on Capital. This model is more favorable to capital-exporting countries, as it requires the source country to relinquish some or all taxes on specific income types earned by residents of the other country. Both nations benefit if trade and investment flows are balanced and the residence country taxes the income exempted by the source.

On the other hand, the UN Model Double Taxation Convention between Developed and Developing Countries comes from the United Nations, which works to boost political and economic cooperation among members. This model grants more favorable taxing rights to the investment-receiving country, often benefiting developing nations. It allows the source country greater authority over taxing non-residents' business income than the OECD model does, though it draws heavily from the OECD framework.

Withholding Taxes Policy

One critical part of any tax treaty is its policy on withholding taxes, which dictates the tax rate on income like interest and dividends from securities owned by non-residents. For instance, if a treaty between country A and B sets a 10% withholding tax on dividends, country A will tax dividends paid to country B at 10%, and the same applies in reverse.

If you're a resident of a country without a U.S. tax treaty, any U.S.-sourced income gets taxed according to standard U.S. rates as per the relevant tax return instructions. Remember, if you're a U.S. resident, some states don't honor tax treaty provisions, so you need to check that.

Do Tax Havens Sign Tax Treaties?

Tax havens are places with low or no corporate taxes where foreign investors can establish businesses. These locations generally avoid entering into tax treaties.

What Is a Saving Clause in a Tax Treaty?

Tax treaties often include a saving clause to stop U.S. residents from exploiting treaty benefits to dodge taxes on domestic income sources.

What Does a Reciprocal Tax Treaty Mean?

Tax treaties are reciprocal, meaning their terms apply equally in both participating countries.

The Bottom Line

In essence, these bilateral tax treaties aim to eliminate double taxation for residents of the involved countries. The U.S. has treaties with many nations that reduce or eliminate taxes for foreign residents on specific income types, with variations by country and income category. Similarly, U.S. residents or citizens benefit from reduced foreign taxes or exemptions on income from abroad under these agreements.

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