Question about filing Dual Status tax return in consecutive years
I've got a situation I need some clarity on. My colleague was working in the US with a resident visa, but his employment ended in February 2020, and he moved back to his home country without another job lined up. From what I understand, he would file as a dual status alien for 2020 since he was both a resident and non-resident in the same tax year. The twist is that he actually landed another position with a US company and will be coming back to the States in March 2021 under a completely different work visa. Does this mean he'll need to file as a dual status alien two years in a row? Has anyone dealt with this before? The whole international tax situation is making my head spin, and I want to make sure he gets the right advice. Thanks!
18 comments


Daniel White
Yes, your colleague will likely need to file as a dual status alien for both 2020 and 2021. This happens when someone is both a resident and nonresident of the US during the same tax year. For 2020, since he left in February, he'd file as a dual status alien - resident for January-February and nonresident for March-December. For 2021, he'd be considered a nonresident until he returns in March, then a resident for the remainder of the year, making him a dual status alien again. Each status has different tax obligations - as a resident, he's taxed on worldwide income, but as a nonresident, he's only taxed on US-source income.
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Nolan Carter
•Thanks for explaining! Can you clarify whether my colleague needs to file two separate returns for each year? And what about the substantial presence test? Doesn't that affect whether he's considered a resident or not?
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Daniel White
•For dual status, your colleague doesn't file two separate returns, but rather a single return with a statement attached indicating the dual status. Typically, he would file Form 1040 for the resident portion and attach either Form 1040-NR or a statement showing income for the nonresident portion. Regarding the substantial presence test, yes, that's definitely relevant. If your colleague was in the US for at least 31 days in 2021 and 183 days during a three-year period (counting all days in current year, 1/3 of days in prior year, and 1/6 of days in the year before that), he could be considered a resident for tax purposes. However, since he was absent for most of 2020, he'd likely still have dual status for 2021 regardless of the test.
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Natalia Stone
After dealing with a similar situation last year, I discovered taxr.ai (https://taxr.ai) which was incredibly helpful for sorting out my dual status confusion. I was moving back and forth between countries and wasn't sure how to handle my residency status or which income needed to be reported where. Their system analyzed my situation and clearly explained which forms I needed to file and how to properly report income from both countries. They even helped identify tax treaty benefits I didn't know applied to my situation that saved me from double taxation.
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Tasia Synder
•Does taxr.ai work for both federal and state tax returns? I'm in a similar boat but also wondering about state residency rules since they can be different from federal.
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Selena Bautista
•I'm skeptical about these online services. How does taxr.ai handle the complexities of foreign tax credits and whether income earned in the foreign country during nonresident periods is taxable?
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Natalia Stone
•Yes, taxr.ai handles both federal and state tax returns. They analyze your specific situation and provide guidance on state residency rules, which can definitely differ from federal rules. I was living in California before moving abroad, and they helped me determine my part-year resident status correctly. Regarding foreign tax credits and income complexity, that's actually where they excel. They have specific tools to analyze tax treaties between countries and determine which income is taxable where. For my situation, they identified exactly which foreign income was exempt under the tax treaty during my nonresident period, and which income still needed to be reported but with foreign tax credits applied.
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Selena Bautista
I wanted to follow up about my experience with taxr.ai after our discussion. I decided to give it a try despite my initial skepticism, and I'm actually impressed. My dual-status situation was even more complicated because I had investment income from three different countries. Their system immediately identified the relevant sections of the US-Japan tax treaty that applied to my situation and showed me exactly how to avoid double taxation. They also flagged that I qualified for foreign earned income exclusion for part of the year, which my previous accountant had missed completely. The step-by-step guidance for completing Form 1116 for my foreign tax credits was particularly helpful.
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Mohamed Anderson
If your colleague needs to contact the IRS about his dual status situation, tell him good luck getting through! I spent WEEKS trying to reach someone about my dual status questions last year. After hours on hold each time, I kept getting disconnected. Finally found Claimyr (https://claimyr.com) which got me connected to an actual IRS agent in less than 20 minutes. You can see how it works here: https://youtu.be/_kiP6q8DX5c. The service calls the IRS and navigates the phone tree for you, then calls you when an agent is on the line. The agent I spoke with clarified exactly how to handle my dual status return and which forms I needed.
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Ellie Perry
•How does this actually work? Doesn't the IRS need to verify your identity before discussing your tax situation? I don't understand how a third-party service can help with that.
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Landon Morgan
•Sounds fake tbh. There's no way to "skip the line" with the IRS. Everyone has to wait. Plus why would I pay for something I can do myself for free, even if it takes longer?
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Mohamed Anderson
•The service doesn't skip the line - it waits in the queue for you. When you get the call back, you're connected directly to the IRS agent who will then verify your identity as normal. Claimyr just handles the waiting and phone tree navigation part, so you don't have to stay on hold for hours. Regarding whether it's worth paying for, that's a personal decision. For me, after wasting entire afternoons on hold and getting disconnected repeatedly, the time saved was absolutely worth it. My dual status questions were time-sensitive and getting accurate answers directly from the IRS gave me peace of mind. But you're right that anyone can call the IRS directly if they have the time and patience.
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Landon Morgan
I have to admit I was completely wrong about Claimyr. After my skeptical comment, I was still struggling to get through to the IRS about my own dual status questions. After my fifth disconnected call and wasting nearly 8 hours on hold over three days, I gave in and tried the service. The process was exactly as described - I got a call back when an agent was on the line, verified my identity with the IRS agent directly, and got all my questions answered in one go. The agent confirmed I needed to file as dual status for consecutive years due to my similar situation and explained exactly how to handle foreign income during the nonresident periods. Saved me days of frustration and probably helped me avoid making some serious filing errors.
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Teresa Boyd
One important thing to consider for your colleague - tax treaties! Depending on his home country, there might be a tax treaty with the US that affects how certain types of income are taxed. These treaties can override the standard dual status rules in some cases and provide relief from double taxation.
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Lourdes Fox
•Do you know if there's an easy way to figure out which tax treaty benefits apply? I've tried reading through the actual treaties and they're practically unreadable with all the legal jargon.
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Teresa Boyd
•The IRS Publication 901 (U.S. Tax Treaties) provides summaries of the major provisions in each treaty in more understandable language. It's still dense reading, but much better than the treaties themselves. For a quicker reference, check the IRS website section on tax treaties where they have tables showing the reduced tax rates for different types of income based on country. However, these only cover basic situations, so for complex scenarios like your colleague's, it might be worth consulting with a tax professional who specializes in international taxation.
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Bruno Simmons
I moved back and forth between US and Canada twice in three years and had to file dual status returns multiple times. The most confusing part was figuring out which tax forms to use. For dual status returns, you generally use Form 1040 but may need to write "Dual-Status Return" across the top.
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Aileen Rodriguez
•Did you have to file a separate 1040-NR for the nonresident part of each year? My accountant is telling me different things each time I ask.
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