IRS e-file is the IRS’s electronic filing program. You can get an automatic extension of time to file your tax return by filing Form 4868 electronically. You’ll receive an electronic acknowledgment once you …

To use this program you should be comfortable with completing a paper return, using only the form and form instructions as a guide to file a correct federal tax return. However, if your adjusted gross …

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You only need to use this form to apply for additional time to file your income tax return when you owe additional Oklahoma income tax or do not have a federal extension.

Department of Taxation and Finance Application for Automatic Six-Month Extension of Time to File for Individuals IT-370

Consider providing a README file (usually .txt or .md) to describe the content in human readable form (as opposed to machine readable form).

Use this form for an extension of time to file a PA-40, PA-41 or PA-20S/PA-65 if you do not apply for a federal extension or if your request for a federal extension was denied.