To regulate the business practices of self-employed, private partnerships, individual proprietorship and private enterprises.

组织管理个体工商户、个人合伙、个人独资和私营企业的经营行为。

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He runs his consulting business as a sole proprietorship paying self-employment tax on the whole profit.

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Self-employment activity generally includes ownership and operation of a sole proprietorship, Limited Liability Company (LLC), C Corporation, S Corporation, and Limited Partnership where the business intends to generate revenue for profit and make significant contributions to the plan.

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