If you received interest income, but do not have the ID number of the payer, enter the information as though you had received a Form 1099-INT Interest Income, but leave off the Payer's Federal Identification Number (FEIN). This number is not required and the return will e-file without the number. The information required by the IRS is transferred to Schedule B (Form 1040) Interest and Ordinary Dividends of the return.
To enter 1099-INT into TaxAct:
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.