Use Schedule SE (Form 1040) to figure the tax due on net earnings from self-employment. The Social Security Administration uses the information from Schedule SE to figure your benefits under the social security program. This tax applies no matter how old you are and even if you are already getting social security or Medicare benefits.
For the latest information about developments related to Schedule SE (Form 1040) and its instructions, such as legislation enacted after they were published, go to www.irs.gov/form1040.
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