FTC Cooling-Off Rule: Federal regulation that gives consumers 3 business days to cancel certain sales made at their home, workplace, or temporary locations. Important for cancellation timing requirements.

Fair Credit Billing Act: Federal law that protects consumers from unfair billing practices and provides guidelines for credit card billing disputes and refunds.

Consumer Review Fairness Act: Federal law that protects consumers' right to share honest reviews about products/services, relevant for terms regarding cancellation feedback.

Electronic Funds Transfer Act: Federal law governing electronic money transfers, including refund procedures and consumer protections for electronic payments.

State Consumer Protection Laws: State-specific laws that provide additional consumer protections, including varying cooling-off periods and refund requirements.

State Refund Policy Requirements: State-specific regulations dictating how and when refunds must be processed, and what disclosures must be made.

Industry-Specific Regulations: Specialized rules for different industries (travel, health clubs, online sales) affecting cancellation and refund procedures.

Payment Processor Requirements: Rules set by payment networks (Visa, Mastercard) and processors regarding refund procedures and timeframes.

Uniform Commercial Code: Standardized commercial laws adopted by states governing commercial transactions, including contract termination and refunds.

State Contract Law: State-specific contract laws governing formation, termination, and enforcement of contracts, including cancellation provisions.