Form 1040 is a federal income tax form that most people use yearly to report their tax information to the IRS. Taxpayers fill ...

The deduction on "no tax on overtime" starts phasing out for single taxpayers with modified adjusted gross income over $150,000 and above $300,000 for married couples filing a joint return.

Form 1040-X. If you made a mistake on a 1040 you previously filed, you can make changes on Form 1040-X, Amended Return. Form 1040-SR. Those 65 and older can use this form.