Last Minute Filers....
If your return has not yet been accepted by the IRS, or your state, you are considered filed on-time as long as your initial submit is made by midnight April 15th, and you have until the 17th, Saturday midnight to correct any errors the IRS or your State has indicated. If you know that you owe you should have your payment postmarked by April 15th, or as soon as possible if after.There is more information on making payments by check, credit card, or over the phone for the IRS and for States on the following page... click here