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Level 2
posted Mar 2, 2025 12:25:03 AM

What documents do I mail for Form 8453 with box checked for Form 8949?

Hello, in 2024 I had short-term and long-term cost basis that weren't reported to the IRS on my Form 1099-B for Charles Schwab.  Additionally, I sold a rental property and wasn't issued a 1099-S since the sale price was under $500,000.

 

TurboTax is saying I need to print Form 8453 and attach Form 8949 or an acceptable continuation sheet for Schedule D. 

 

Do I include my 1099-B statement showing the cost basis not reported to the IRS?  For the rental property, do I include the escrow settlement statement and any supporting documents/calculations that went into calculating the realized gains?

 

Many thanks!

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4 Replies
Expert Alumni
Mar 2, 2025 9:32:17 AM

Yes, you will want to include a copy of you 1099-B with the 8453.  You do not have to include the escrow or other documents related to the sale of the rental property- the IRS is looking for the itemized line items if you used a summary for the stock sales.  

 

See E-file.


 

Level 2
Mar 2, 2025 10:21:55 AM

Thank you for the response.  That makes sense since I used the summary feature to report the gains/losses of my stock sales. It's only 3-4 stocks that had value of less than $1,000 so should be easy to itemized.

 

The Form 8949 also list out my sale of the rental property.  So I do not need to provide additional documents since it's technically itemized when I entered the sale of the property correct?  Thanks.

Expert Alumni
Mar 3, 2025 6:33:34 AM

No, you don't need to document the rental property sale unless TurboTax instructed you to do so.

Level 2
Mar 3, 2025 7:55:50 AM

Thank you! That makes sense. The instructions only popped up when I was entering the summarized gains/losses for sale of stocks that wasn't reported to the IRS.