Uniform Partnership Act (UPA) / Revised Uniform Partnership Act (RUPA): Core federal legislation that governs the formation, operation, and dissolution of partnerships. Establishes default rules for partner relationships. Most states have adopted some version of these acts.

State-Specific Partnership Laws: Individual state statutes that modify or supplement UPA/RUPA provisions, including specific filing requirements and state-level partnership regulations.

Federal Tax Laws: Internal Revenue Code provisions governing partnership taxation, including partnership tax classification rules and reporting requirements.

Securities Laws: Including Securities Act of 1933, Securities Exchange Act of 1934, and state 'Blue Sky' laws, applicable when partnership interests may be considered securities.

Employment Laws: Including Fair Labor Standards Act and state employment laws, relevant when the partnership has employees. Covers worker classification rules and employment regulations.

Industry-Specific Regulations: Regulations specific to professional partnerships (legal, medical, etc.), including licensing requirements and regulatory compliance specific to the partnership's field of operation.