CANADIAN SNOWBIRD TAX SERIES

This article is general educational information about US tax residency and the closer connection exception. It is not tax, legal, or investment advice. The exception described below has three separate tests, is claimed rather than granted, and is lost permanently for a year once its deadline passes. Confirm your own situation and your filing dates with a cross-border tax advisor qualified in both countries before relying on any of it.

By Lucas Wennersten, CFP® (US & Canada), CFA · 14-minute read

The test almost nobody has heard of is the one that disqualifies them

Most Canadians who learn about the closer connection exception learn one thing about it: stay under 183 days in the US and you can still be treated as a nonresident even if the day-count math says otherwise. That part is true, and it is where most explanations stop.

The exception actually has three tests, and you must satisfy all of them. The day count is only the first. The second is the tax home requirement, and it is the one that quietly disqualifies people who were confident they qualified — retirees who sold the Canadian house, snowbirds who now rent year-round in Florida, people whose centre of life shifted south without them ever deciding it had.

There is also a fourth condition that is not a test at all but a hard bar: if you have applied for a green card, or taken steps toward applying, the exception is unavailable to you regardless of how well you satisfy the other three.

This post covers what the exception is, all three tests in the order the IRS applies them, who is barred outright, how IRS Form 8840 is actually filed, and what happens when it isn’t. For where this sits in the wider picture, start with The Canadian Snowbird Tax Guide.

What the exception does, and what it does not do

Meeting the Substantial Presence Test makes you a US tax resident by default. Default is the operative word. The closer connection exception is one of two routes out of that default, and it is by far the cleaner one.

What it does: it lets you be treated as a nonresident alien for the year despite meeting the day-count test, on the basis that your tax home and the centre of your life remained in Canada.

What it does not do: it does not reduce US tax on US-source income. A Canadian with a rental property in Phoenix still owes US tax on that rental income and still files a US return for it. The exception governs your status, not your source-income liability. It also does nothing about US estate tax exposure on US-situs assets, which runs on an entirely separate track — see Article XXIX-B Estate Tax Relief.

And it is not the treaty tie-breaker. Those two get conflated constantly, and the difference matters enormously in practice.

The three tests, in the order they apply

Test one: fewer than 183 days in the current year

This is a single-year count, not the weighted three-year figure used by the Substantial Presence Test itself. For the exception, only the current calendar year matters.

The ceiling is absolute. At 183 days or more in the current year, the closer connection exception is unavailable to you — full stop, no matter how strong your Canadian ties, no matter how obviously your life is centred in Ontario. There is no discretion here and no facts-and-circumstances argument to make.

This is the single most important planning number in a snowbird’s year, and it is why the day log matters. Pull your entry and exit history from CBP I-94 Travel Records rather than reconstructing it from memory, because if you are anywhere near the line, the difference between 182 and 183 is the difference between filing a short information return and being pulled into the US tax system on your worldwide income.

Test two: a tax home in Canada — the one that catches people

You must have maintained a tax home in a foreign country for the entire year. Not most of it. The whole year.

“Tax home” is a term of art and it does not mean what most people assume. It is not where you are a citizen, and it is not where you feel you live. For someone still working, it is your regular or principal place of business. For a retiree with no regular place of business — which describes most snowbirds — it is your regular place of abode in a real and substantial sense.

That phrase is doing real work. A regular place of abode is a home you actually maintain and return to, not an address you keep for correspondence. And it has to be in the same country you are claiming a closer connection to.

Here is where the disqualifications happen, and they are rarely obvious to the person they happen to:

• The Canadian home was sold. A retiree who sold the house in Ontario, kept a storage unit, and now stays with family between Arizona winters may have no regular place of abode in Canada at all.
• The Canadian home is rented out year-round. If it is fully tenanted and unavailable to you, whether it functions as your abode is a live question, not a settled one.
• The move happened mid-year. The requirement runs for the entire year. A tax home established in Canada in March does not satisfy a test that asks about January.
• The US property is now the more substantial home. If the Scottsdale house is larger, better equipped, and where the belongings actually are, the claim gets harder to sustain even when the day count is fine.

Note the asymmetry with Canadian residency, because it is a source of genuine confusion. The Canada Revenue Agency uses residential ties to determine Canadian residency; the IRS uses tax home plus a closer connection analysis for this exception. They overlap but they are not the same test, and satisfying one does not establish the other.

Test three: a closer connection to Canada than to the US

The third test is a weighing exercise, and Form 8840 tells you exactly what is being weighed. The form asks where each of the following is located:

• Your permanent home
• Your family
• Your personal belongings — cars, furniture, clothing, jewellery
• Your social, political, cultural, professional, and religious organisations
• Where you conduct routine personal banking
• Where you conduct business activities, other than those constituting your tax home
• The jurisdiction that issued your driver’s licence
• The jurisdiction where you vote
• The country you list as your residence on official forms and documents

No single factor decides it. But the list is a useful audit, and running it honestly is more informative than most people expect. A snowbird who votes in Canada, banks in Canada, keeps the family cottage, and belongs to a curling club in Manitoba presents a very different picture from one whose licence is Arizonan, whose car is registered in Maricopa County, whose grandchildren are in Phoenix, and whose only remaining Canadian tie is a bank account.

The second of those two may still be a Canadian tax resident. They may still be under 183 days. And they may still fail this test.

The green card bar

This one is not a weighing exercise and it is not a matter of degree.

If you have an application for lawful permanent residence pending, or have taken affirmative steps toward applying, the closer connection exception is not available to you. The reasoning is straightforward: you cannot simultaneously tell the IRS that your centre of life remains in Canada and tell US Citizenship and Immigration Services that you intend to live permanently in the United States.

The trap is that people do exactly this without noticing the contradiction. A snowbird whose adult child sponsors them, or who begins a green card process during a year they also intend to claim the exception, has created a conflict between two filings that are rarely looked at side by side.

If a green card application is anywhere in your picture, raise it before filing anything. It changes the analysis completely.

Closer connection or treaty tie-breaker: they are not interchangeable

When the closer connection exception is unavailable — usually because of the 183-day ceiling — a second route exists under Article IV of the Canada-United States Tax Convention. It is not a replacement, and it is not equivalent.

	Closer connection exception	Treaty tie-breaker (Article IV)
Claimed on	Form 8840	Form 1040-NR with Form 8833 disclosure
Available at 183+ days?	No — absolute bar	Yes
Requires filing a US return?	No, unless otherwise required	Yes
Complexity	An information return	A full return with a treaty position
Effect on foreign reporting	Keeps you outside the US system	You are filing inside the US system
Practical cost	Minimal	Meaningful preparer fees, annually

The row that matters most is the last-but-one. The closer connection exception keeps you out of the US tax system. The treaty tie-breaker puts you into it and then argues your way to a favourable residency answer from the inside. Both can work. Only one of them is cheap, quiet, and finished in an afternoon.

That asymmetry is the whole argument for managing your day count deliberately rather than discovering it in April. Staying under 183 days preserves the cheap option. Crossing it forecloses the cheap option permanently for that year.

Filing the form

The mechanics are simpler than the tests.

If you are otherwise required to file a US return — because you have US-source income such as rent from a Phoenix property — attach Form 8840 to your Form 1040-NR.

If you are not otherwise required to file, which describes most snowbirds, you mail Form 8840 to the IRS on its own by the due date that would apply to a 1040-NR.

That due date depends on your circumstances, and specifically on whether you received US wages subject to withholding. Because it varies and because a missed deadline has real consequences, confirm your date with a cross-border preparer rather than working from a general rule of thumb. This is a cheap question to ask and an expensive one to get wrong.

A few practical points that come up every year:

• Each year stands alone. Form 8840 is filed annually. Qualifying last year gives you nothing this year.
• File one per person. Spouses each file their own; the exception is individual, and it is common for two people in the same household to have different day counts.
• It creates no tax liability by itself. Filing 8840 does not put you into the US system. It is a protective filing whose entire purpose is keeping you out of it.
• Excluded days go on a different form. If you are excluding days of presence — a medical condition that arose while you were in the US, for instance — that is Form 8843, not 8840. They serve different purposes and are sometimes both required.

What happens if you don’t file

The exception is claimed, not granted. Silence is not a position, and the IRS is not obliged to infer that you would have qualified had you bothered to say so.

If you meet the Substantial Presence Test and file nothing, the default stands: you are a US tax resident for the year. That carries consequences that compound well beyond a single missed form.

• US tax on worldwide income, not merely US-source income
• A US return obligation for the year
• Potential FBAR reporting on Canadian accounts exceeding US$10,000 in aggregate at any point in the year — see FinCEN Form 114 – Report of Foreign Bank Accounts (FBAR)
• Potential FATCA reporting on Form 8938
• Information-return penalties that are assessed per form and per year, and are frequently larger than any tax that was actually at stake

Filing late is better than not filing, and reasonable-cause relief exists, but it is discretionary and it is not something to plan around. The cost of filing on time is an afternoon. The cost of not filing is open-ended.

A worked example: two snowbirds, one form

Both spend 150 days in Arizona this year. Both are under the 183-day ceiling. Both assume they are fine.

Ruth keeps the house in London, Ontario. Her car and most of her belongings are there. She banks at the same branch she has used for thirty years, votes in Ontario, holds an Ontario licence, and returns to a home that sits empty while she is south. Her tax home is unambiguously Canadian and every factor on the form points the same way. She files Form 8840, it takes an hour, and she is a nonresident alien for the year.

Gordon sold the Ontario house two years ago. He winters in a Scottsdale home he owns and spends the rest of the year moving between his daughter’s place in Calgary and a rented cottage. His car is registered in Arizona because that is where it lives. His belongings are largely in Scottsdale. He kept his Canadian bank account and his passport, and he thinks of himself as Canadian.

Gordon is under 183 days. He is almost certainly still a Canadian tax resident by CRA’s residential-ties analysis. And he has a serious problem with test two, because it is not clear he maintains a regular place of abode in Canada in a real and substantial sense at all. The property he actually maintains is in Arizona.

Same day count. Same nationality. Same belief about their own status. One files a form; the other needs advice before he files anything, because a Form 8840 asserting facts that do not hold up is worse than the problem it was meant to solve.

The variable that separated them was not days. It was where they kept a home.

A sequencing checklist

1. Confirm the current-year count is under 183. Pull the I-94 history or use our free 49th Parallel Day Tracker (Android) — do not estimate. At 183 or more, stop; the exception is gone and the conversation changes to Article IV.
2. Establish that your tax home was in Canada for the entire year. Name the actual dwelling. If you cannot name one you maintain and return to, this is the issue to resolve before anything else.
3. Run the connection factors honestly. Work down the form’s list and mark each one Canada or US. A list that splits evenly is a signal to get advice, not to file optimistically.
4. Confirm no green card application exists or is contemplated. If one does, stop and get advice — this bar is absolute.
5. Determine whether you are otherwise required to file a US return. That decides whether 8840 is attached or mailed on its own.
6. Confirm your specific filing deadline with a cross-border preparer. It varies.
7. Check whether Form 8843 is also needed for any excluded days.
8. File one per person, and diarise it for next year. The obligation recurs.

Steps 2 and 4 are the ones that change the answer. Steps 1 and 6 are the ones people get wrong by assuming.

Five mistakes we see most

• Believing the day count is the whole test. It is one of three. The tax home requirement disqualifies people who are comfortably under 183 days.
• Assuming the exception is automatic. It is claimed on a filed form. Meeting the criteria and telling no one produces the same outcome as not meeting them.
• Filing 8840 while a green card application is pending. The bar is absolute, and the two filings contradict each other.
• Treating one year’s filing as covering future years. It is annual. Each year is assessed on its own facts.
• Confusing it with the treaty tie-breaker. Closer connection keeps you outside the US system; Article IV argues from inside it. Reaching for the wrong one wastes a year and considerable money.

Frequently asked questions

What is the closer connection exception?

It allows someone who meets the Substantial Presence Test to still be treated as a nonresident alien for US tax purposes, on the basis that their tax home and the centre of their life remained in a foreign country. It is claimed on Form 8840 and must be filed for each year you rely on it.

What are the requirements for the closer connection exception?

Three, and you need all of them: fewer than 183 days of US presence in the current year, a tax home maintained in a foreign country for the entire year, and a closer connection to that country than to the United States. Separately, you are barred if you have applied or taken steps to apply for a green card.

What does “tax home” actually mean?

For someone working, it is your regular or principal place of business. For a retiree with no regular place of business, it is your regular place of abode in a real and substantial sense — a home you genuinely maintain and return to. It must be in the same country you claim a closer connection to, and it must be maintained for the whole year.

Can I claim the exception if I was in the US 183 days or more?

No. That ceiling is absolute regardless of how strong your Canadian ties are. The only remaining route to nonresident treatment is the treaty tie-breaker under Article IV, claimed on a US return with a treaty-based position disclosure.

Do I have to file Form 8840 every year?

Yes. The exception is assessed annually on that year’s facts. Qualifying and filing one year gives you nothing for the next.

What happens if I miss the Form 8840 deadline?

The IRS may deny the exception, which means the default applies and you are treated as a US tax resident for the year — with US tax on worldwide income and potential foreign account reporting. Reasonable-cause relief exists but is discretionary and should not be planned around.

Does filing Form 8840 mean I owe US tax?

No. It creates no liability by itself; it is a protective information return whose purpose is to keep you outside the US tax system. It also does not relieve US tax on US-source income such as rent from a US property, which is a separate matter.

My spouse and I travel together — can we file one form?

No, each person files their own. The exception is individual, and spouses commonly have different day counts even when travelling together.

Can I claim a closer connection to two countries?

In limited circumstances, yes — the rules contemplate a closer connection to two foreign countries where a tax home shifted during the year, subject to specific conditions. It is not the ordinary case and is worth confirming with a preparer rather than assuming.

What is the difference between Form 8840 and Form 8843?

Form 8840 claims the closer connection exception. Form 8843 is used to exclude specific days of presence from the day count, such as days you could not leave because of a medical condition that arose while in the US. They do different jobs and both may be required in the same year.

I sold my Canadian home — does that affect my claim?

Potentially, and significantly. The tax home test asks whether you maintained a regular place of abode in Canada for the entire year. If you no longer maintain a Canadian dwelling you return to, that test becomes difficult to satisfy even when your day count is well under the ceiling. Get this reviewed before filing.

Is there an easier way to track my days?

Yes. Our free 49th Parallel Day Tracker app logs each day of US presence and maintains the running weighted three-year total, so the figure is there when you need it rather than reconstructed from memory at filing time. It is available for iPhone and Android. The app keeps a record of days counted; it does not determine your tax residency or replace advice on what the count means for you.

More from the Canadian Snowbird Tax Series

• The Canadian Snowbird Tax Guide — the pillar: residency, estate exposure, reporting, healthcare
• Article XXIX-B Estate Tax Relief — how the treaty reduces the estate bill
• Form 706-NA for Canadians — the return itself, and its deadline
• Holding U.S. Property Through a Holdco — structures, and what they cost you
• Snowbird Healthcare Coverage — the provincial clock, province by province
• Canada-to-Arizona Relocation — when the winter stay becomes a move

If your question is how many days you are permitted to be in the US rather than what it does to your taxes, that is an immigration question and it is covered in How Long Can a Canadian Stay in the United States?. Every form named above is in our cross-border tax forms hub.

The closer connection exception is one of the few genuinely cheap protections in cross-border planning, and it is lost the same way every year: not through aggressive positions, but through a form nobody filed and a tax home nobody examined. Our cross-border tax planning work starts by checking both.

If you are near the line, or you have sold the Canadian house and never revisited what that did to your status, that is worth an hour before filing season, not after. Book a complimentary consultation and we will run your day count, audit your connection factors, and tell you plainly whether Form 8840 protects you or whether you need a different conversation.