Uniform Commercial Code (UCC): Article 9 governs secured transactions, including regulations for vehicle lien release, perfection and termination of liens. This is a fundamental legislation that provides the framework for secured transactions across all states.

State-Specific Motor Vehicle Laws: Each state's Department of Motor Vehicles (DMV) has specific requirements, forms, and procedures for lien release, including mandatory timing requirements for documentation submission.

Truth in Lending Act (TILA): Federal legislation that mandates specific requirements for disclosure of loan terms and regulations regarding the release of security interests in vehicles.

Federal Trade Commission (FTC) Regulations: Federal consumer protection requirements and documentation standards that must be followed in vehicle transactions and lien releases.

State Consumer Protection Laws: State-level legislation governing consumer notifications and timing requirements for lien release after loan satisfaction, varying by jurisdiction.

Electronic Lien and Title (ELT) Programs: State-specific programs and requirements for electronic lien release and digital documentation standards, becoming increasingly important in modern vehicle transactions.