You carry on a trade or business as a sole proprietor or an independent contractor .
You are a member of a partnership that carries on a trade or business .
You are otherwise in business for yourself (including a part-time business )
What are My Self-Employed Tax Obligations?
As a self-employed individual, generally you are required to file an annual return and pay estimated tax quarterly.
Self-employed individuals generally must pay self-employment tax (SE tax) as well as income tax. SE tax is a Social Security and Medicare tax primarily for individuals who work for themselves. It is similar…