Think FAST! The Cross Border Tax Maze

October 02, 2023 | Elaine Law


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Canadian Residents with US Green Cards

Our firm’s FAST team (Financial Advisory Support Team), comprised of seasoned professionals including lawyers and accountants, are dedicated to helping our clients navigate the intricacies of finance, taxation, and investment. Because regulations on laws and taxes are subject to frequent changes, we rely on the FAST team to provide us with clarity and guidance when clients come to us with related questions.

Recently, a client approached me with a question that reflects a common concern among individuals with international ties. The query went like this: "I file my Canadian tax return every year, but I periodically visit and live with my kids in the US. Since I have a US Green Card, do I have to file a US tax return too?"

This question highlights a complex intersection of taxation, residency, and citizenship that many people, especially those living between Canada and the United States, grapple with. In this blog post, we'll delve into the intricacies of this scenario to provide clarity on whether Canadian residents with US Green Cards are indeed obligated to file US tax returns alongside their Canadian tax obligations.

Canadian Tax Obligations

In Canada, the obligation to file a tax return typically applies to Canadian tax residents. This includes individuals who are physically residing in Canada, but there are situations where people who are not physically present in Canada that are still considered tax residents. A common example are those individuals living abroad but maintain significant residential ties to Canada, such as a home or family. Additionally, non-tax residents may still need to file a Canadian tax return if they sell certain types of Canadian property, like real estate. It's important to consult the Canadian tax authorities or a cross-border tax professional to determine your specific tax residency status.

US Tax Obligations

The US tax system has a broader reach when it comes to tax obligations. If you hold a US Green Card, the US Internal Revenue Service (IRS) will generally require you to file a tax return regardless of your physical presence. This means that as a Green Card holder, you're expected to report your worldwide income to the IRS, even if you reside outside the United States. There are a few exceptions based on very low incomes, but assuming you are earning income, you'll likely need to file. Additionally, if you are physically residing in the US or meet the substantial presence test, a formula that takes into account the number of days that one is present in the US, you will also be required to file a US tax return.

Filing in Both Jurisdictions

Given the differing criteria for tax obligations in Canada and the US, it's highly likely that someone living in Canada with a US Green Card will have to file tax returns in both countries. This double taxation scenario can seem daunting, but there are mechanisms in place, such as tax treaties, that can help prevent double taxation and mitigate the impact of cross-border tax obligations. It's essential for individuals in this situation to keep detailed records of their income, expenses, and any tax payments made in both countries. Consulting with a tax professional who specializes in international tax matters is strongly recommended. They can help you navigate the complexities of dual taxation, take advantage of applicable tax credits and deductions, and ensure compliance with the tax laws of both Canada and the United States.

In the realm of taxation, the intersection of Canadian residency and US Green Card holder status can lead to a web of obligations and potential challenges. It's crucial for individuals in this position to stay informed, seek professional guidance, and maintain accurate financial records. By proactively addressing their dual tax obligations, Canadian residents with US Green Cards can navigate the tax maze with confidence and avoid any legal issues on both sides of the border.