Uniform Commercial Code (UCC): Primary body of commercial law governing sales transactions, particularly Article 2 (Sales), Article 1 (General Provisions), and Article 9 (Secured Transactions). Critical for structuring the future purchase agreement terms and conditions.

Contract Law Fundamentals: Basic principles including state-specific contract laws, common law principles of contract formation, and Statute of Frauds requirements. Essential for ensuring the agreement's enforceability.

Federal Trade Laws: Including Federal Trade Commission Act, antitrust laws (Sherman Act, Clayton Act), and consumer protection laws. Ensures compliance with federal trade regulations and fair competition practices.

State-Specific Requirements: Includes state securities laws, state-specific commercial codes, and state registration requirements. Necessary for compliance with local jurisdiction requirements.

Securities Laws: Securities Act of 1933, Securities Exchange Act of 1934, and SEC regulations. Relevant if the future purchase agreement could be considered an investment contract.

Industry-Specific Regulations: Regulations specific to the industry or subject matter of the purchase agreement (e.g., real estate, commodities). Ensures compliance with sector-specific requirements.

Bankruptcy Code: Provisions affecting executory contracts and rights/obligations in case of bankruptcy. Important for risk mitigation and protection of parties' interests.

Tax Considerations: Internal Revenue Code provisions and state tax implications. Essential for understanding and planning for tax consequences of the future purchase arrangement.