Uniform Commercial Code (UCC) Article 3: Federal law governing negotiable instruments, which is crucial for the documentation of the loan guarantee and any associated promissory notes

Truth in Lending Act (TILA): Federal law requiring disclosure of credit terms and standardizing the manner in which costs associated with borrowing are calculated and disclosed

Equal Credit Opportunity Act (ECOA): Federal law that prohibits discrimination in credit transactions, including guarantee arrangements, based on protected characteristics

Federal Reserve Regulation B: Implementation regulation for ECOA, providing specific requirements for credit transactions and associated guarantees

Dodd-Frank Act: Comprehensive financial reform legislation that affects banking transactions and associated guarantees, including consumer protection provisions

State UCC Variations: State-specific versions and interpretations of the Uniform Commercial Code that may affect guarantee requirements

State Contract Laws: State-specific requirements for contract formation, enforcement, and interpretation

State Banking Regulations: State-specific rules governing banking transactions and associated guarantees

Statute of Frauds: State law requiring certain contracts, including guarantees, to be in writing and signed to be enforceable

Corporate Authorization Requirements: Legal requirements for proper corporate authorization of guarantee agreements, including board resolutions and officer certifications

Ultra Vires Doctrine: Legal principle concerning corporate actions that exceed authorized powers, relevant to guarantee validity

U.S. Bankruptcy Code: Federal law governing bankruptcy proceedings that may affect the enforcement and validity of guarantees

Fraudulent Transfer Laws: Laws preventing transfers that unfairly prejudice creditors, including rules about guarantee arrangements

Securities Laws: Federal securities regulations that may apply if the guarantee arrangement could be classified as a security

Documentation Requirements: Specific form, content, and execution requirements for guarantee documents, including any notarization or recording requirements