This gives you until October 15 to file without penalties. A U.S. citizen or resident files this form to request an automatic extension of time to file a U.S. individual income tax return.Fill out Form 4868 and mail it. The IRS will give taxpayers an automatic extension if they file Form 4868. A tax extension moves your federal taxfiling deadline out six months to Oct. 15. The deadline for requesting an extension is April 15. Such filers should fill out the Form 4868 and send it to an address listed on the IRS website. This is an archived article and the information in the article may be outdated. You can return to your application to submit at a later time. PHILADELPHIA (CBS) The Philadelphia Flyers have locked up their leading scorer.