One of the forms that U.S. tax payers fill out to file their annual tax return is 1040 form. The form is divided into different sections where you have to mention income and deductions. It will determine the tax you owe or refund you have to take. You might have to attach other forms based on type of the income you have.
On the first section of the page, you will have to enter information regarding sources of income such as salary, interest, dividends, alimony, capital gains, business income, income from agriculture, IRA contribution, pension, unemployment income, social security benefits, income