The tax deadline for most taxpayers was Tuesday, April 18, 2017. The IRS has some advice for taxpayers who missed the filing deadline.
Taxpayers should keep a copy of their tax return. Beginning in 2017, taxpayers using a software product for the first time may need their Adjusted Gross Income (AGI) amount from their prior-year tax return to verify their identity. Taxpayers can learn more about how to verify their identity and electronically sign tax returns at Validating Your Electronically Filed Tax Return.