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. If you made a mistake when filing Form 1040, you can file an ...

If you’re preparing your taxes, you'll file federal income tax Form 1040. Because tax laws change often, Form 1040 might have subtle differences from year to year. Form 1040 is the main form ...

Andresr / Getty Images To simplify taxes for those ages 65 and older, the Internal Revenue Service (IRS) offers Form 1040-SR, an optimized version of the standard Form 1040 featuring larger print ...

Text Callout : Key Takeaways - What Is a 1040 Tax Form and How Does It Work? The 1040 tax form is the form taxpayers use for filing federal taxes. It's also a form that plenty of people have ...