If you reported the entire capital gain or loss in a previous year (rather than reporting as an installment sale each year), there is an alternate way to enter the interest, for this year. Enter at the 1099-INT screen, even though you didn't actually receive a form 1099-INT.
In TurboTax (TT), enter at:
- Federal Taxes tab (Personal in Home & Business)
- Wages & Income
Scroll down to:
-Interest & Dividends
-Interest on a 1099-INT
