Use Schedule C (Form 1040) to report income or loss from a business you operated or a profession you practiced as a sole proprietor. ... Your primary purpose for engaging in the activity is for income or profit.

What is on a Schedule C?

Schedule C is the tax form filed by most sole proprietors. As you can tell from its title, "Profit or Loss From Business," it´s used to report both income and losses. Many times, Schedule C filers are self-employed taxpayers who are just getting their businesses started.

Is Schedule C the same as 1040?

Schedule C is part of Form 1040. It's used by sole proprietors to let the IRS know how much their business made or lost in the last year. The IRS uses the information in Schedule C to calculate how much taxable profit you made—and assess any taxes or refunds owing.