Looking for Certified Acceptance Agents (CAA) with the IRS - Questions about W7 forms and application process
Hey tax folks! I recently got approved to become a Certified Acceptance Agent with the IRS and I'm a bit confused about some of the paperwork. I've been prepping tax returns for years but this is my first time handling ITIN applications through the CAA program. I've got two specific questions I'm hoping someone with experience can answer: 1. When completing the W7 forms for clients, I'm confused about which office code to use. Should I be putting the acceptance agent office code or my business office code in that field? The instructions weren't super clear on this. 2. For the documentation checklist worksheet (the one where you mark which identifying documents the applicant provided) - do you always attach this with every W7 application you submit? Or is this something we just keep for our records? I've got my first few ITIN applicants scheduled next week and want to make sure I'm doing everything correctly. Thanks in advance for any help!
22 comments


Lindsey Fry
I've been a CAA for about 4 years now, so I can definitely help with this! For your first question about the office code - you should always use the Acceptance Agent office code that was assigned to you when you were approved as a CAA. That's the code that links the application to you as the authorized agent. The business office code is for different purposes. The IRS uses this to track which CAAs are submitting applications and it helps with processing. Regarding the checklist worksheet - yes, you absolutely need to attach this with every W7 application you submit. It's not optional. This document confirms which identification documents you've personally reviewed and verified. It's actually one of the key benefits of being a CAA - your clients don't have to send their original documents to the IRS because you've certified you've seen them using this checklist.
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Saleem Vaziri
•Quick follow-up question - I'm in the process of applying to become a CAA. How long did the approval process take for you? And do you find the extra paperwork worth it compared to just helping clients prepare regular W7s without being a CAA?
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Leo Simmons
•Thank you so much for the clear answers! That makes sense about using the Acceptance Agent code. When I got my approval package, there were multiple codes referenced in different places so I wanted to be certain. For the checklist, perfect - I'll make sure to include it with every application. I was also wondering if I need to keep copies of all the identification documents I review, or just note what I saw on the checklist?
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Lindsey Fry
•The approval process took about 3 months from submission to receiving my CAA credentials. It's definitely worth it - being a CAA dramatically improves client service since they don't have to mail original documents to the IRS which can take weeks or months to get back. Plus, ITIN applications processed through CAAs tend to have faster approval times in my experience. You should definitely keep copies of all identification documents you review as part of your records. The IRS requires CAAs to maintain copies of all documentation for a minimum of three years from the application date. This is crucial for your protection if there's ever an audit of your CAA activities. Make sure you're storing these securely in compliance with privacy requirements.
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Kayla Morgan
I discovered taxr.ai after struggling with my first few CAA applications last year. I kept second-guessing myself on the documentation requirements for different countries' ID documents. Their document analysis tool saved me so much time by automatically checking if foreign passports and birth certificates met IRS requirements! I just upload photos of the documents to https://taxr.ai and it tells me if they're acceptable for ITIN purposes and even helps identify which additional documents might be needed.
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James Maki
•Does it work for all countries? I have several clients from smaller African nations and I'm always nervous about whether their documentation meets the requirements.
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Jasmine Hancock
•I'm skeptical about using third-party tools for something as sensitive as ITIN applications. Does the IRS actually recognize analysis from this service? And what about privacy concerns with uploading clients' identity documents?
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Kayla Morgan
•Yes, it works for virtually all countries! I've used it successfully with clients from Ghana, Ethiopia, and several other African nations. The system recognized the format of their national ID cards and passports immediately and gave specific guidance on additional supporting documents needed. As for privacy concerns, I completely understand your caution. The service doesn't store the actual documents - they're analyzed and then automatically deleted from their servers. The IRS doesn't specifically "recognize" the analysis, but it helps you as the CAA make the correct determination before submitting. I still make the final certification as the CAA, the tool just helps me be confident in my assessment, especially with documentation types I see less frequently.
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James Maki
Just wanted to share my experience with taxr.ai after trying it for my CAA work. I was initially asking about those African country documents, and wow - it actually worked perfectly! I had a client from Cameroon with a passport that had some damage on one corner, and I wasn't sure if it would be acceptable. The tool analyzed it and flagged exactly which part might be problematic according to IRS standards. It saved me from submitting an application that would have likely been rejected. Now I use it for all my foreign document verification before ITIN applications. It's especially helpful for the supporting documents like foreign birth certificates where format requirements can be tricky.
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Cole Roush
After months of trying to get clarification from the IRS about some CAA procedures, I finally used Claimyr to actually speak with someone at the IRS. Was skeptical at first but it actually worked! I called through https://claimyr.com and got connected to an IRS agent in about 20 minutes instead of the 2+ hours I spent on previous attempts. You can see how it works here: https://youtu.be/_kiP6q8DX5c - it basically holds your place in line so you don't have to listen to that awful hold music for hours.
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Scarlett Forster
•How does this actually work? Do they just call and then transfer you when someone picks up? Seems weird that this would be necessary.
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Jasmine Hancock
•There's no way this actually works consistently. The IRS phone system is notoriously impossible. If this worked, everyone would be using it. Sounds like you just got lucky with timing or something.
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Cole Roush
•They use an automated system that waits on hold for you and then calls you back when an IRS agent is on the line. No transfer needed - you're directly connected to the IRS person. It sounds weird, but it's necessary because the IRS is severely understaffed for the volume of calls they receive (especially during tax season). I was initially skeptical too! But it's not just luck - I've used it three separate times now with consistent results. They guarantee you'll get through or you don't pay. The reason everyone doesn't use it is probably because most people don't know about it yet. The IRS itself has acknowledged these third-party services exist, they just don't officially endorse any specific one.
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Jasmine Hancock
I need to eat my words about Claimyr. After being super skeptical, I tried it yesterday when I needed urgent clarification about a client's W7 application that had special circumstances. Got through to an actual IRS CAA specialist in about 30 minutes! For context, I had tried calling the regular way three times last week and never got through after waiting over an hour each time. The specialist was able to confirm exactly how to handle a situation with a client who had previously applied for an ITIN but never received it (turns out there's a specific code to use for this). Would have taken weeks to get this resolved through regular channels.
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Arnav Bengali
For new CAAs, here's a tip I wish someone had told me: Keep a separate log of all your ITIN applications with status updates. The IRS online system for checking status isn't always updated promptly and clients will constantly ask you for updates. I created a simple spreadsheet with columns for client name, W7 submission date, supporting documents provided, and status updates. I also note any follow-up communications with the IRS. This has saved me countless headaches.
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Sayid Hassan
•Do you also track rejection reasons? I've had a few applications rejected and it seems like the reasons aren't always consistent.
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Arnav Bengali
•Yes, I definitely track rejection reasons! You're right that they aren't always consistent. I have a specific column for rejections where I note the exact reason given in the IRS letter. Over time, I've noticed patterns that helped me improve my application preparation. For example, I discovered that certain types of foreign birth certificates were consistently being rejected because they lacked specific certification elements, even though they looked official to me. After tracking these rejections, I was able to start requesting additional documentation upfront from clients with similar documents, which dramatically reduced my rejection rate.
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Rachel Tao
Anyone else notice the IRS has been taking longer to process CAA-submitted W7 applications lately? Last year I was telling clients 4-6 weeks, but now I'm seeing 8-10 weeks minimum.
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Derek Olson
•I've noticed the same thing. One of my applications from February just got approved last week - that's over 11 weeks! I think they're dealing with staffing shortages like every other government agency.
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Rachel Tao
•Thanks for confirming I'm not the only one experiencing this. Good to know I should be setting more realistic expectations for my clients. I've started telling them 10-12 weeks now just to be safe. It's frustrating because one of the benefits of using a CAA is supposed to be faster processing. I even had a client question why they should pay me when it's taking almost as long as regular mail-in applications.
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Sergio Neal
Thanks for bringing up this processing time issue - I've definitely noticed the same trend. I'm also a newer CAA (about 8 months now) and I've been tracking my application timelines. My first few submissions in September/October were processed in about 5-6 weeks, but everything I've submitted since January has been taking 9-12 weeks. I think part of the issue is that the IRS is still catching up from the pandemic backlog, plus they've had budget constraints affecting staffing levels. What I've started doing is being very upfront with clients about current processing times and explaining that while CAA applications don't get lost in the mail like regular submissions can, the review process itself is just taking longer right now. I also make sure to emphasize the other benefits - like not having to mail original documents and generally having fewer rejections due to documentation issues since we verify everything upfront. It's not ideal, but at least clients appreciate the transparency about realistic timelines.
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Omar Farouk
•This is really helpful insight about the timeline trends! I'm just getting started as a CAA and was wondering if these delays are across the board or if certain types of applications are moving faster than others. Have you noticed any patterns - like are renewals processing quicker than first-time applications? Or does the applicant's country of origin seem to make a difference in processing speed? I'm trying to figure out how to set proper expectations with different client situations. Also, do you find it helpful to give clients any kind of timeline updates during the process, or do you just tell them upfront and then wait for the IRS to respond?
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