First, you may get lucky and the return is rejected. Then you can correct and re-file.
Once your return is accepted and the finances are settled, you can file an amended return.
- Save a copy of the original return before doing an amended return. See:
- Pay additional tax. Taxpayers who will owe more tax should file Form 1040-X and pay the tax as soon as possible to avoid penalties and interest. They should consider using IRS Direct Pay to pay any tax directly from a checking or savings account for free.
- Track amended return status online. Taxpayers can track the status of their amended tax return in English and Spanish using Where’s My Amended Return? Amended returns take up to 16 weeks to process and up to three weeks from the date of mailing to show up in the system.
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depending on all the other factors, your SS benefit may not be taxable.
In which case there is no need to amend.
Meanwhile IRS computers will check your SS Line 6a and make a correction for you. You will hear from them if there is more tax due.