How to Respond to an IRS Letter About Unreported Crypto

· 4 min read · Milan Reeves — On-chain Data Analyst

How to Respond to an IRS Letter About Unreported Crypto

Receiving a letter from the Internal Revenue Service (IRS) can be unsettling, especially if it concerns unreported cryptocurrency transactions. As digital currencies like Bitcoin and Ethereum gain popularity, the IRS is paying closer attention to cryptocurrency transactions. If you've received a notice regarding unreported crypto, it’s crucial to understand the steps you should take to address the issue promptly.

Understanding Why You Received the IRS Letter

The IRS sends letters related to cryptocurrencies for several reasons. Most commonly, they arise from discrepancies between what you reported on your tax return and what third-party information, such as from exchanges, shows. The IRS may have flagged your account due to mismatched or missing information regarding your crypto transactions.

Types of IRS Crypto Letters

The IRS typically issues three types of letters related to cryptocurrency: Letter 6173, Letter 6174, and Letter 6174-A. Each letter serves a different purpose, but they all require your attention.

  • Letter 6173: This is the most serious letter, indicating that the IRS believes you owe taxes on unreported cryptocurrency income. Immediate action is necessary.
  • Letter 6174: This is a more informational letter, suggesting you may not have reported all your cryptocurrency income. It encourages you to review your tax returns.
  • Letter 6174-A: Similar to Letter 6174, this letter advises you to review your records and ensure all crypto transactions are accurately reported.

Steps to Take Upon Receiving an IRS Crypto Letter

Responding appropriately to an IRS letter can prevent further complications. Here are the steps you should consider:

Review Your Crypto Transactions

Start by thoroughly reviewing all your cryptocurrency transactions. Tools like Koinly and CoinTracker can help you compile and organize your crypto activity across different exchanges and wallets. These platforms provide detailed reports that can identify discrepancies and ensure your tax returns are accurate.

Verify the Accuracy of Your Tax Return

Compare the information in the IRS letter with your records. Ensure that all income, gains, and losses from cryptocurrency transactions are included in your tax return. If you discover any errors, you may need to file an amended return.

Consult a Tax Professional

If you’re unsure about how to proceed, consulting a tax professional with experience in cryptocurrency can be invaluable. They can provide guidance based on the specifics of your situation and help you communicate effectively with the IRS.

How to Amend Your Tax Return

If you identify mistakes in your original filing, you will need to amend your tax return. Here’s how you can do that:

Filing an Amended Return

To amend your tax return, you'll use Form 1040-X. This form allows you to correct any errors or omissions related to your cryptocurrency transactions. Be sure to include all relevant documentation and explanations for the changes you are making.

Submitting Additional Documentation

Along with Form 1040-X, submit any additional documentation that supports your amended return. This might include transaction records from your Ledger Nano wallet, or reports generated by tools like Koinly and CoinTracker. Providing clear evidence will help substantiate your claims.

Responding to the IRS

After filing an amended return, send a detailed response to the IRS letter. Explain the corrections made and include any supporting documents. Prompt and transparent communication can prevent further inquiries and potential penalties.

Preventing Future Issues with Cryptocurrency Taxes

To avoid receiving future letters from the IRS regarding your crypto activities, take proactive steps to ensure compliance with tax regulations.

Keep Detailed Records

Maintain meticulous records of all your cryptocurrency transactions. This includes dates, amounts, the nature of the transactions, and the involved parties. Tools like CoinTracker can automatically track and record your crypto activity, significantly easing the process.

Stay Informed

Tax laws surrounding cryptocurrencies are continually evolving. Stay informed about the latest IRS guidelines and ensure your compliance by using tools like Koinly to stay on top of your reporting obligations.

Regularly Review Your Tax Filings

Regularly review your tax filings with the help of a professional. Ensure all income, including from crypto, is accurately reported. This proactive approach can save you from costly errors and IRS scrutiny.

By understanding and following these steps, you can effectively respond to an IRS letter about unreported crypto and minimize the risk of future issues. Leveraging tools like Ledger Nano for secure storage, and platforms like CoinTracker and Koinly for accurate tracking and reporting, will keep your crypto tax filings in check and compliant.


Disclaimer: The information on this website is for informational purposes only and does not constitute financial or tax advice. Always verify legislation with the tax authority or a certified advisor.

About the author

Milan Reeves — On-chain Data Analyst

Milan analyzes wallet and exchange data to reconstruct taxable events with precision. He translates technical transaction logs into filing-ready evidence.