Are the stock owned individually or owned jointly by the taxpayer and spouse?
If an IRS form 1099-B contains four transactions, it is possible to manually enter two transactions for the taxpayer and two transactions for the spouse.
I wonder how easy it will be for the IRS to track flow of the transactions split between two tax returns. Retain copies of your paperwork should a tax authority have a question about the reporting of the transactions at a later time.
To enter the form manually In TurboTax Online, follow these steps:
be aware that your category Box A or Box D sales without adjustments do not require Form 8949, so there is no reason to import or key in those transactions.
Instead use the "enter a summary" option to put your numbers on Schedule D Line 1a or Line 8a.
Category A and D are the covered transactions.
The detail reporting exception applies only to those two categories.
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Divide the category grand totals by two, and enter the result on both tax returns.