If you received a Form W-2 and the "Statutory employee" box in box 13 of that form was checked, report your income and expenses related to that income on Schedule C. Enter your statutory employee income from box 1 of Form W-2 on line 1 of Schedule C and check the box on that line. Social Security and Medicare tax should have been withheld from your earnings; therefore, you do not owe self-employment tax on these earnings. Statutory employees include full-time life insurance agents, certain agent or commission drivers and traveling salespersons, and certain homeworkers.
If you had both self-employment income and statutory employee income, you must file two Schedule C.
For more information see IRS Instructions for Schedule C.