It is very possible from the scenario you describe that the debt was cancelled after death (very likely due to death). If that is the case the estate is responsible and the form 1041 for the tax year of the cancellation (event date on the form) would be amended.
You will need to report this in a personal tax return if the 1099C was issued in her name and social security number. To report this, you will need to amend her 2019 tax return to include this document. If you prepare the original using Turbo Tax Online.
Less Common Income>show more
Go to Miscellaneous Income, 1099-A, 1099-C>start
Then go to Cancellation of debt (Form 1099-C) or the abandonment and/or acquisition of secured property (Form 1099-A).
Note, if you did not prepare your mother's 2019 personal return in Turbo Tax, you may need to to contact the tax preparer or refer to the software used since they have all the original data on file. You can also purchase a 2019 Turbo Tax software product and reconstruct the original tax return and then prepare the amendment if you didn't originally file your mother's return with Turbo Tax.
So report a 1099-c issued in 2021 by amending her 2019 1040 return, is that right?
It is very possible from the scenario you describe that the debt was cancelled after death (very likely due to death). If that is the case the estate is responsible and the form 1041 for the tax year of the cancellation (event date on the form) would be amended.