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.
You must file a federal income tax return for any tax year in which your gross income is equal to or greater than the personal exemption amount and standard deduction combined (per the Form 1040 Instructions for the corresponding tax year). Generally, you need to file returns going back six years. Copy: You can request a copy of your tax return, but in most cases you must pay a fee to do so (currently $50). 2  Use Form 4506, Request for Copy of Tax Return (PDF), to request a copy of your tax return. 3  Copies of Forms 1040, 1040A, and 1040EZ are generally available for 7 years from the date you filed the return.