IRS Form 1040 is the main tax form used to file a U.S. individual ... The software will then e-file it with the IRS, and you can print or download a copy for your records. If you prefer to fill ...
The recipient then uses that form to report their income to the IRS when they file their tax returns. For example, suppose you sold 100 shares of stock and earned $1,000 in profit from the sale.