I am guessing that you mean the names that we give to organisms when they are first discovered and described-the Genus, species name? This is referred to as the binomial name and is the end point of the Biological Classification system.
1 Tax Return Copies. 2  Actual copies of your tax returns are generally available for the current tax year and as far back as six years. 3  The fee for each copy you order is $57. 4  To request a copy of your tax return, complete Form 4506, available on IRS.gov.
Form 1040X. If you do not file Form 1045, you can file Form 1040X to get a refund of tax because of an NOL carryback. Generally, file Form 1040X for the carryback year within 3 years after the due date, including extensions, for filing the return for the NOL year.On Form 1045, use lines 16 through 25, and the â After carryback â column.) The earned income credit, for example, may be affected by changes to adjusted gross income or the amount of tax (or both) and, therefore, must be recomputed.