Form 1099 is a series of information returns used to report various types of income other than wages, salaries, and tips. According to the IRS, Form 1099 is used to report income such as interest, dividends, miscellaneous income, and non-employee compensation. Payers must send a copy of Form 1099 to the IRS and to the recipient of the income, who must then report the income on their individual tax return.