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Income Tax Return Deadlines, Forms

Current and past year IRS and State Income Tax Return, Tax Extension, and Tax Amendment Due Dates and Tax Deadlines. Find forms and schedules for various Tax Years.

Deadlines by Return Type and Tax Year

Tax Year
Return Type
Due Date
2018
April 15, 2019 - efileIT now - optional: plus your state return. Details.
2018
IRS Tax Refund Date - DATEucator
April 15 and Oct. 15, 2019 - Estimate your Tax Refund Date
2018
April 15, 2019 - efileIT - Available on efile.com mid/late March. Details.
2018
Now. IRS does not enable efile. Prepare on efile.com, download, print, and mail in Form 1040X. Details.
2018
April 15, 2018 - efileIT now with your Federal Return. State Deadlines vary by State. Optional: Prepare a state only return on efile.com - download, sign, and mail in your state forms. Details.
2018
Varies by State. Some states grant automatic extension with federal extension, others have no extension deadline, but require tax payments if you owe. Details.
2018
Mail in Forms only. Cannot be efiled with most states. Varies by State. Details.
2017  2016  2015
No e-file. Mail in Forms only. Details.
2017  2016  2015
No longer available
2017  2016  2015
As soon as possible if you owe taxes. Mail in Forms only; efile deadline expired. If you expect a Tax Refund, you must file by Dec. 31, 2019, otherwise your refund will expire. If you owe Taxes, there is no deadline, but penalties. Estimate Penalties.
2017  2016  2015
No efile. Mail in Forms only. Varies by State; visit your State page.
Previous Tax Years
As soon as possible if you owe taxes. Mail in Forms only; efile deadline expired. If you expect a Tax Refund, you have three years after the subject Tax Year to claim it; after that it expires. If you owe taxes, complete and mail in the income tax return forms as soon as possible to avoid further late filing and/or payment penalties. Estimate Penalties.
Previous Tax Years
File as soon as possible. Mail in Forms only; efile deadline expired. Visit your State page for details.

Previous Year Forms, Calculators, Payments, Penalties