Uniform Commercial Code (UCC): Primary focus on Article 9 (Secured Transactions), Article 2 (Sales), and Section 9-406 (Rights of assignees). The UCC governs commercial transactions including the assignment of debt instruments.

Federal Fair Debt Collection Practices Act (FDCPA): Federal law that restricts the behavior of debt collectors and establishes guidelines for debt collection practices. Must be considered when drafting assignment provisions related to consumer debt.

Truth in Lending Act (TILA): Federal law requiring disclosure of key terms and costs in lending transactions, which may affect how the assigned debt must be handled and disclosed.

Fair Credit Reporting Act (FCRA): Federal law governing the collection, dissemination, and use of consumer credit information, relevant when the assigned debt involves consumer credit.

State Contract Laws: State-specific regulations governing contract formation, enforcement, and interpretation, including any specific requirements for debt assignment agreements.

State Usury Laws: State-specific regulations limiting interest rates and fees that can be charged on debt, which must be complied with by the assignee.

Common Law Assignment Principles: Legal principles governing the transfer of rights and obligations, including requirements for valid assignments and restrictions on assignment.

Securities Laws: Federal Securities Act of 1933 and Securities Exchange Act of 1934, applicable if the debt instrument could be classified as a security.

Bankruptcy Code Provisions: Federal bankruptcy laws affecting the assignment of debt, particularly Section 541 regarding property of the estate and assignment restrictions in bankruptcy.

Tax Regulations: Internal Revenue Code provisions and state tax laws governing the tax implications of debt assignments for both assignor and assignee.