Help with filling out tax treaty benefits section on W-8BEN or Form 8233 - what info goes where?
I'm a Canadian who recently moved to the US for work, and my employer is asking me to fill out tax forms. I'm trying to complete either a W-8BEN Form or Form 8233 (they gave me both and said I only need one), but I'm completely confused about the "claim of tax treaty benefits" section. My employer mentioned something about the US-Canada tax treaty that might reduce my withholding, but I have no idea what to put in those boxes! The form asks for specific articles, rates, and types of income, but I don't know where to find this information or what I'm supposed to write down. I'm making about $85,000 as a software developer if that matters. Anyone gone through this process before? What exactly am I supposed to put in this section? Any help would be greatly appreciated since HR just told me to "figure it out" and I need to submit these forms by next Friday.
21 comments


Liam Cortez
The tax treaty benefits section can definitely be confusing! For a Canadian working in the US as a software developer, you'll want to use Form 8233 rather than W-8BEN (which is generally for passive income like investments). For the treaty benefits section, you'll need to reference the US-Canada tax treaty. For employment income (which is what you have), you'll typically cite Article XV (15) of the treaty. The withholding exemption rate would be 0% if you qualify. You'd list "Personal Services/Employment Income" as your type of income. To qualify under this article, you generally need to meet three conditions: 1) be present in the US for less than 183 days in a 12-month period, 2) your employer is a Canadian resident or has a permanent establishment in Canada, and 3) your compensation isn't borne by a US permanent establishment. Make sure you also complete the part about sufficient facts to justify the exemption - typically explaining you're a Canadian resident temporarily working in the US and how you meet the conditions above.
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Savannah Vin
•What about for someone from the UK? Would it be the same form but just different treaty article? And do these treaties actually save you a significant amount in taxes or is it just a small difference?
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Liam Cortez
•For the UK, you'd still use Form 8233 for employment income, but you'd reference Article 14 (Dependent Personal Services) of the US-UK tax treaty. The specific articles and conditions vary by country, so always check the exact treaty that applies to your situation. The tax savings can be quite substantial depending on your situation. In some cases, you might be completely exempt from US tax withholding on your employment income if you meet all conditions. This could mean thousands of dollars difference, especially for higher salaries. It's not just a small administrative detail - it's definitely worth filling out correctly!
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Mason Stone
I went through the exact same headache when I moved from Australia to the US last year! I spent hours trying to figure out those treaty forms until I found taxr.ai (https://taxr.ai). Their system analyzed my situation and auto-filled the correct treaty articles and rates based on my citizenship and income type. For me, it identified Article 14 of the US-Australia treaty and explained exactly what to write in each box. It also explained which form was right for my situation (8233 in my case since I was earning employment income). The site even generated a letter explaining my treaty benefits that I could give to my employer. Honestly, this saved me so much confusion compared to trying to interpret treaty language myself.
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Makayla Shoemaker
•Does it work for students too? I'm on an F-1 visa from India and have a campus job, but also get a stipend from my home university. Not sure which form to use or what treaty benefits apply.
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Christian Bierman
•I'm always skeptical of these tax tools. How does it know which treaty articles apply to your specific situation? Does it ask detailed questions about your residency status and type of work? Treaty qualification can get complicated.
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Mason Stone
•For students, it absolutely works - the tool has specific sections for F-1 visa holders with campus jobs. It'll help determine if you should use Form 8233 for your employment income and W-8BEN for your stipend, and will identify the correct treaty articles for each income type based on the India-US tax treaty. The system asks a detailed questionnaire about your citizenship, visa type, residency history, income sources, and employment details. It's quite thorough - it even asked about my prior presence in the US and the structure of my employment contract to determine if I qualified under the "183 days" rules. It shows the exact treaty language that applies to your situation and explains why you qualify (or don't qualify) for certain benefits.
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Makayla Shoemaker
Just wanted to update after trying taxr.ai for my student situation! It was super helpful for my complicated case. As an Indian student with both campus employment and a foreign stipend, it walked me through exactly which treaty articles applied (Article 21 for my scholarship and Article 14 for my campus job). The tool explained I needed to use both forms - 8233 for my employment income and W-8BEN for my scholarship income. It even generated completed forms with all the treaty citations filled in that I could give to both my campus employer and the financial aid office. My international student advisor was impressed with how accurate everything was! Definitely recommend for anyone confused about treaty benefits.
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Emma Olsen
For anyone struggling with IRS forms and treaty questions - if you need to actually talk to a human at the IRS (which I eventually had to do), good luck getting through their phone system. After trying for days, I found this service called Claimyr (https://claimyr.com) that somehow gets you through the IRS phone queue. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c The IRS has a dedicated international taxpayer line that can explain treaty benefits, but it's nearly impossible to reach. Claimyr got me through in about 25 minutes when I had been trying for days. The IRS agent I spoke with actually walked me through the exact article numbers for my situation (I'm from Brazil) and confirmed which form I needed to use.
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Lucas Lindsey
•How does that even work? The IRS phone system is a nightmare but how can a third party service get you through faster? Seems like it would be the same wait times for everyone.
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Sophie Duck
•Sorry but this sounds like a scam. No way some random service can magically get you through to the IRS faster than anyone else. They probably just charge you to wait on hold and then connect you when they finally get through.
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Emma Olsen
•It works through an automated system that navigates the IRS phone tree and holds your place in line. When a human IRS agent finally answers, Claimyr calls your phone and connects you directly to that agent. You don't have to sit on hold for hours - you just get a call when they reach a human. I was skeptical too, but the way it works is they have automated systems constantly calling and navigating the IRS phone tree on your behalf. It's not that they have special access - they're just using technology to handle the hold time for you. It's basically like having a robot assistant dial and redial and sit on hold instead of you doing it manually. When I used it, I got a call back in about 25 minutes connecting me directly to an IRS agent who was already on the line.
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Sophie Duck
I have to admit I was totally wrong about Claimyr. After my skeptical comment, I decided to try it myself because I was desperate to talk to someone about my W-8BEN form (I'm from South Korea). Holy crap, it actually worked! I got connected to an IRS agent in about 40 minutes when I had spent DAYS trying to get through myself. The agent confirmed I needed to use Article 21 of the US-Korea treaty for my situation and explained exactly what to put in each box. They also told me I was using the wrong form entirely - I needed Form 8233 not W-8BEN for my teaching income. Seriously, I'm shocked this worked so well. I've never been able to reach a human at the IRS before. The agent was super knowledgeable about international tax treaties too - way more helpful than my company's HR department.
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Austin Leonard
For tax treaty benefits, I recommend checking the IRS publication 901 (US Tax Treaties). It lists all the countries with tax treaties and the specific articles that apply to different types of income. You can find the publication here: https://www.irs.gov/publications/p901 I've filled out these forms for clients from various countries, and each treaty has different provisions. For example, students, teachers, and researchers often have special provisions with lower rates or complete exemptions depending on the specific treaty.
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Anita George
•I checked that publication but still got confused because it lists so many different categories. For a J-1 visa holder from Germany doing research, would I look under the "students and trainees" section or the "teachers and researchers" section? They have different articles and rates.
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Austin Leonard
•For a J-1 visa holder from Germany doing research, you would look under the "Teachers and Researchers" section in Publication 901. Specifically, you'd want to reference Article 20(1) of the US-Germany tax treaty. The distinction between categories matters a lot because they have different eligibility requirements and exemption periods. For German researchers, you can generally claim an exemption for up to two years, but you need to be in the US primarily to teach or conduct research at an educational institution. Make sure you're documenting your primary purpose for being in the US to substantiate your treaty claim if questioned.
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Abigail Spencer
Has anyone actually been audited for claiming treaty benefits incorrectly? I filled out a W-8BEN last year and just guessed on the treaty part (I'm from India). My employer accepted it and I got the reduced withholding rate. Now I'm worried I did it wrong.
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Logan Chiang
•Yes, they do audit these! A colleague of mine from France incorrectly claimed treaty benefits for income that wasn't eligible (he was here longer than the treaty allowed). The IRS caught it during processing and sent him a bill for the under-withheld tax plus interest. His employer also got penalized for not properly verifying his treaty eligibility. Don't mess around with treaty claims - the IRS does check them.
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Abigail Spencer
•Thanks for letting me know! That's really concerning. I think I need to double check what I submitted. My company didn't really verify anything - they just accepted whatever I wrote on the form. Do you know if there's a way to correct this retroactively before I get audited? Should I file an amended return or just make sure I get it right going forward?
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Louisa Ramirez
Hey Kiara! I went through this exact same situation when I moved from Toronto to work in Seattle last year. For your situation as a Canadian software developer, you'll definitely want to use Form 8233 (not W-8BEN). For the treaty benefits section, you'll reference Article XV of the US-Canada tax treaty. The key things to fill out are: - Treaty Article: XV (or 15) - Rate of withholding: 0% (if you qualify) - Type of income: Employment/Personal Services Income - Explanation: Something like "Canadian resident temporarily working in US, qualifying under Article XV conditions" The main qualification requirements are: you're present in the US for less than 183 days in any 12-month period, your employer is Canadian or the compensation isn't borne by a US permanent establishment of your Canadian employer, and you maintain Canadian tax residency. Since you're making $85K, getting this right could save you significant money in withholding taxes. I'd recommend double-checking the exact treaty language in IRS Publication 901 or using one of the tools others mentioned to make sure you get all the details correct. Don't just guess - the IRS does verify these claims!
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Mia Green
•This is super helpful, thank you! Just to clarify on the 183-day rule - does that count from when I first entered the US for work, or is it based on the calendar year? I moved here in September, so I'm trying to figure out if I need to track days from September to the following August, or just worry about calendar year totals. Also, since my employer is a US company but I'm maintaining my Canadian tax residency, does that affect which conditions I need to meet under Article XV?
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