This gives you until October 15 to file without penalties. IRS e-file is the IRS's electronic filing program."If you don't have everything together and you need more time to file, you can always file an extension. Central Time (CT) on the due date to be considered timely. Individual taxpayers use IRS Form 4868 to request an extension for an extra six months to file different types of income tax returns. Please fill out and attach signed affidavit. However, there may be an exception if you're living out of the country. You can return to your application to submit at a later time. County deadlines may differ from district or state deadlines to allow the county extension staff time to review and complete entries. Most assessor's offices and local taxing entities provide these options, but filling out the paperwork can prove difficult.