how do i report 1099 int not reported in 2023

You cannot report your 2023 interest on your 2024 tax return.

 

Each year's income must be reported separately.

 

You'll have to amend your 2023 tax return to add that 1099-INT form.

 

Please read this TurboTax Help topic on how to amend a prior-year tax return.

 

 

If the tax liability is significantly changed by adding the interest you would have to amend your 2023 return. Otherwise just let the IRS adjust your return.