If you order online or by phone, you should receive your tax return transcript within 5 to 10 days from the time the IRS receives your request. Allow 30 calendar days for delivery of a tax account transcript if you order by mail using Form 4506T or Form 4506T-EZ.ow to Get Your Prior Year Tax Information from the IRS. IRS Tax Tip 2011-13 January 19, 2011. Taxpayers who need certain prior year tax return information can obtain it from the IRS. Here are nine things to know if you need federal tax return information from a previously filed tax return.