1 What exactly should I be keeping? Just the W-2C and copies of the amended return? Or should I also be keeping some kind of documentation about when I received it from my employer?

5 You should definitely keep the original W-2C (both your copy and all copies they sent you), your original tax return for that year, and copies of your completed amended return with all attachments. I'd also recommend keeping any emails or documentation showing when you received the W-2C from your employer, especially since it came so late. I'd also suggest writing a brief explanation letter to attach to your amended return explaining the delayed W-2C situation. This helps the IRS processor understand why you're amending a return from two years ago. In my case, including this letter helped when I had to follow up later.

22 I work in payroll, and you're partly right. There's been a big push for compliance audits after all the remote work and state tax complications from the pandemic. Many companies are still catching up and finding issues from 2-3 years ago. Plus the IRS has been sending more notices about mismatches between what employers reported and what employees filed.

That's great advice, wish I'd thought of that earlier! Do you also recommend sending a check instead of a money order for tax payments? I've been using money orders but wondering if checks are better for tracking purposes.

I always use checks instead of money orders for tax payments because they give you an extra layer of proof. When your check clears, you have both the tracking delivery confirmation AND your bank statement showing they cashed it. With money orders, you have to go through more steps to prove it was cashed. Also, if there's ever a dispute about WHEN you paid, the date the check was cashed is clear evidence. Just make sure to write your tax ID number and the tax form number in the memo line of the check to help them process it correctly.

Yes! I switched to paying online last year and it's WAY easier. Go to AZTaxes.gov and create an account. You'll need your SSN, last year's tax info, and a bank account for direct debit. Once registered, you can make payments for Form 140, estimated taxes, and even set up payment plans. They send confirmation emails for everything so you have proof of payment too.

I double-checked both my E*TRADE account and the transaction confirmations - there was definitely no "sell to cover" for taxes. The statements explicitly show 0% withholding on these vestings. All shares came through intact with no sales. I think I'm going to follow the advice about contacting our stock admin team specifically rather than regular HR. It sounds like there's something wrong with how my international transfer was set up in their system.

That's definitely a problem then. One other thing to check - some companies use a different payroll system for equity compensation than they do for regular salary. So while your ADP might show nothing, there could be withholding happening in a different system. This happened to me when I transferred from our Tokyo office. My regular pay was in ADP but equity was handled through a specialized system that didn't show up in my regular payroll login. Check with your stock admin team if they use a separate system for equity compensation reporting.

The general rule is that RSUs are taxed based on where you are when they vest, not where you were when they were granted. So if you're a US resident/taxpayer when they vest, the entire value at vesting is taxable in the US regardless of where you earned them. There can be exceptions based on tax treaties between countries and the specific structure of your equity plan, but in most cases, if you're physically in the US when RSUs vest, they're fully taxable in the US. You might want to check if there's a US-Canada tax treaty provision that applies to your specific situation.

I used Cash App Taxes (formerly Credit Karma) last year and it was completely free, but they don't support every tax situation. If you have multiple state returns, rental income, or foreign income, they can't handle it. Do you know if they support cryptocurrency transactions? I did some small trades this year.

Cash App Taxes is still completely free for both federal and state returns as of 2025. I just checked their site yesterday to confirm. They do support basic cryptocurrency reporting, but it's somewhat limited. If you made just a few trades, it should work fine. But if you have extensive crypto activity, you might need a different service. For multiple state returns, you're right - they don't support that at all. You need to have income from just one state for it to work properly.

Do you e-file these forms or mail them in? I tried doing the PDF route a few years ago but couldn't figure out how to actually submit them electronically without paying someone.

Is Credit Karma Tax still free? I used it last year and it was pretty straightforward even though I had some 1099 income and a W-2.

Credit Karma Tax is now called Cash App Taxes, but yes, it's still free for federal and state returns! It works well for most basic to moderately complex situations. Just be aware it doesn't support multiple state filings or some less common tax situations like foreign income or rental property depreciation.

I did get copies but honestly I don't understand half of what's on them. There are all these forms and schedules that don't make any sense to me. But I'll definitely go back and ask them to explain. Do you think they might have entered something wrong on purpose to make it look like I'd get a bigger refund? The guy kept talking about how he could "maximize" my refund which sounded good at the time.

It's unlikely they did something fraudulent on purpose (that could cost them their business), but they might have been sloppy or made assumptions without asking you proper questions. Sometimes preparers at those places work on commission based on how many returns they process, so they rush through them. When you go back, ask specifically about the "underreported income" mentioned in the IRS letter. They should be able to run a comparison between what they submitted and what the IRS has on file for you. Don't leave until you understand what happened - it's your money and your tax record at stake.