Type the name of the 1099 form (i.e. 1099-INT) you would like to delete by clicking the Search Topics icon, which is located at the top of the screen. Select OK. You can delete the 1099 form from this Summary screen. The delete button is to the right of your form.
Then, when you re-enter your 1099 form information, leave Box 14 blank. You will be able to e-file without the CUSIP information.
See the TurboTax FAQ below for more information. Click "See entire answer" for the full page view.
https://ttlc.intuit.com/replies/3434007
