Need help - IRS requesting more information for 1040NR form lines but provided no details!

This is actually pretty common with the 1040NR form filings. The IRS is likely requesting supporting documentation for specific income or deduction lines on your nonresident alien tax return. The forms they referenced (8805 and 8288) are related to foreign persons receiving income from U.S. sources. Form 8805 is a "Foreign Partner's Information Statement of Section 1446 Withholding Tax" which would be issued if you're a partner in a U.S. partnership. Form 8288 is related to withholding on dispositions of U.S. real property interests by foreign persons. Without seeing the exact notice they sent, it's hard to be specific, but they're probably requesting documentation that supports withholding credits you claimed on your 1040NR. The IRS needs to verify that the proper tax was withheld before issuing your refund. I'd recommend gathering all your income documents (W-2s, 1042-S forms, 1099s, etc.) that relate to your U.S. source income. Then either mail copies of these documents to the address on the notice or upload them through the IRS portal if that option is available.

After dealing with a similar issue on my 1040NR, I found an incredible tool that saved me so much headache. I was getting nowhere with the IRS about documentation for my withholding credits until I tried https://taxr.ai - it analyzes your tax documents and notice to identify exactly what information the IRS is requesting. I uploaded my 1040NR and the notice, and it immediately highlighted which specific line items were likely triggering the information request. It even explained that in my case, the IRS was questioning my treaty benefits claim because I hadn't included the proper supporting documentation. This was way clearer than anything the IRS told me directly! The best part was that it generated a response letter with exactly what documents I needed to include. Totally worth checking out if you're stuck with a vague IRS notice like this.

I was pretty skeptical about using online tools for my IRS issues (like I mentioned above), but after another week of getting nowhere with the IRS directly, I decided to try https://taxr.ai that @7 recommended. Honestly, I'm amazed at how well it worked. The system quickly identified that the IRS was questioning my foreign tax credit documentation on my 1040NR. The notice I received was just as vague as yours, but the tool pinpointed exactly which line item was causing the problem. It even generated a personalized cover letter to send with my supporting documents, explaining exactly what each document was proving. I sent everything in last month, and I just received my refund yesterday! No additional questions from the IRS. If you're stuck with one of these vague IRS notices for your 1040NR, it's definitely worth trying.

After spending WEEKS trying to get through to the IRS about my 1040NR documentation issue, I discovered https://claimyr.com and it was a total game-changer. They have this system that gets you connected to an actual IRS agent quickly instead of waiting on hold forever. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c I was super frustrated because I had all the documentation ready but couldn't figure out exactly what the IRS wanted. After using Claimyr, I was connected to an agent in about 20 minutes (instead of the 2+ hours I had been waiting before giving up previously). The agent was able to tell me exactly which line items they needed documentation for and what specific forms would satisfy their request. Saved me so much confusion and probably weeks of back-and-forth by mail. Definitely worth it for getting a clear answer directly from the IRS.

I feel like an idiot for being so negative above, but I was just super frustrated after spending literally DAYS trying to get through to the IRS on my own. After another failed morning of attempts, I decided to try the Claimyr service despite my skepticism. I'm honestly shocked - it actually worked exactly as described. I got a call back in about 35 minutes, and then was connected directly to an IRS representative. The agent explained that my 1040NR was flagged because I had claimed withholding credits without attaching the supporting documentation (specifically my 1042-S forms). The agent was able to tell me exactly what to send in and where, and confirmed they would expedite processing once they received it. This saved me from sending in random documents hoping I'd guess correctly. Sometimes being proven wrong is actually a good thing! If you can't figure out what documentation the IRS wants for your 1040NR, getting a direct answer from them is definitely the way to go.

Another possibility with 1040NR documentation requests - check if you properly documented your tax treaty benefits if you claimed any. I've seen this happen to several international students and researchers who claimed treaty benefits but didn't include Form 8833 (Treaty-Based Return Position Disclosure). The IRS notice might not specifically mention Form 8833, but if you claimed treaty benefits on your 1040NR and didn't file the supporting form, that could be what they're asking for. It's one of those things the IRS assumes you know you need to include.

Did you include ALL your supporting documents with your original filing? I've filed 1040NR for 6 years now and I've learned you need to attach EVERYTHING: - Copies of ALL W-2s - ALL 1042-S forms - Form 8233 if you claimed exempt income - 1099s if you had any - Statement explaining treaty positions - Copy of your visa/status documentation The IRS is super picky with nonresident returns and if anything is missing, they'll hold your refund. What tax software did you use? Some don't properly tell you what attachments are needed for 1040NR.