Do you need to file a tax return? Find out with the IRS Interactive Tax Assistant.
Determine who must file a decedent’s individual tax return, how the tax return is notated, and the timeframe for filing the return.
Determine the simplest form to use to file your federal income tax return.
Determine the due date of your federal tax return or whether you're eligible to request an extension.
Determine if you should file an amended return to correct an error or make other changes to your return.