Money Did you ask for a federal tax extension in April? The Oct. 15 IRS deadline is almost here. October 9, 2019Aimee Picchi, Special to USA TODAYComments Off on Did you ask for a federal tax extension in April? The Oct. 15 IRS deadline is almost here. Millions of taxpayers asked the IRS for an extension on filing federal taxes in April. Their time’s up. The extension deadline hits Oct. 15.