Kameleon007 / Getty Images Form 1040EZ, which is no longer used, was the shortest and most straightforward version of Form 1040. What Was Form 1040EZ: Income Tax Return for Single and Joint Filers ...

All pages of form 1040-X can be found on the IRS webpage. This form is an itemized, line-by-line description of all possible adjustments, so the taxpayer can clearly record the exact type and ...

If you have any balance due on Line 37 of your Form 1040 or 1040-NR, you need to fill out Form 1040-V if you're mailing your payment. You can also pay electronically and avoid filling out this form.