If you are referring to a corporation type of business, like C-corp, S-corp or partnership. You would need a separate TurboTax product to file your business return. See https://turbotax.intuit.com/small-business-taxes/
If you are referring to a self-employed business, you might need to amend if you have already filed-
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Wait until your return is either rejected or
approved.
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If it's rejected, you can return to the program to
add the new information while fixing the error.
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If your return is approved, To amend, please click here 2018 Amend. Please wait until
your return is fully processed and you have received your refund or your
payment has cleared.
