Determine whether you need more time to file your tax return
Use IRS Form 4868 to request an automatic extension for your federal return
File Form 4868 by the tax filing deadline
Submit the form electronically through tax software, a tax professional, or IRS Free File
Mail a paper Form 4868 if filing by mail
Pay any estimated tax owed by the original deadline to avoid penalties and interest
Check whether your state requires a separate extension request
Keep confirmation of your extension request and payment records
File your completed tax return by the extended deadline