You can summarize the details in TurboTax if you have too many transactions to import successfully. How to enter a summary in lieu of individual transactions
You will be able to e-file, but you may need to mail the IRS the details of Form 8949. You don't need to manually fill out Form 8949 because we automatically do that when you enter your investment sales or exchanges. If you're e-filing, you only need to mail copies of your 8949 along with Form 8453 if:
- You entered a summary for one or more sales categories (instead of each individual sale); AND
- The sales category for one or more summaries is something other than Box A (short-term covered) or Box D (long-term covered); or
- The Box A and/or Box D summary includes adjustments (typically listed in boxes 1f or 1g on your broker statement).
If you're required to mail in forms 8949 and 8453, do so within 3 days after the IRS has accepted your e-file. Here's the mailing address:
Internal Revenue Service
Attn: Shipping and Receiving, 0254
Receipt and Control Branch
Austin, TX 73344-0254
Tip: In lieu of Form 8949, you can substitute copies of your year-end broker statements that show the individual transactions. You don't need to include unadjusted Box A or Box D transactions.
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