Gross Income Less Total Expenses
Line 3, Net profit, is the difference between gross receipts (line 1) and total expenses (line 2). If line 3 shows a profit:
If line 3 is zero:
If net profit is less than $400, enter the amount on line 12 of Form 1040 and attach Schedule C-EZ to the return.
Schedule SE is not required unless there is a profit of $400 or more. The Schedule SE is attached to Form 1040, and discussed in Lesson 28, Other Taxes. Self-employed taxpayers may claim an adjustment to income for part of the social security and Medicare taxes they pay.
If line 3 shows a loss, the taxpayer cannot use Schedule C-EZ and should be referred to a professional tax preparer.