Self-employment tax
Self-employment tax (SE tax) is a social security and Medicare tax primarily for individuals who work for themselves. Payments of SE tax contribute to an individual's coverage under the social security system. Social security coverage provides retirement, disability, survivor, and hospital insurance (Medicare) benefits. All deductions allowed by the IRS, including depreciation, may be used.
An individual must pay SE tax and file Schedule SE (Form 1040), if the individual has:
Net earnings from self-employment or $400 or more or church employee income of $108.28 or more.