Digital Millennium Copyright Act (DMCA): Federal law that criminalizes production and dissemination of technology, devices, or services intended to circumvent measures that control access to copyrighted works. Essential for protecting digital content and intellectual property in website development.

Americans with Disabilities Act (ADA): Federal civil rights law that requires websites to be accessible to people with disabilities. Websites must comply with Web Content Accessibility Guidelines (WCAG).

FTC Regulations: Federal Trade Commission regulations governing online privacy, security, and fair business practices in digital commerce and website operations.

CAN-SPAM Act: Federal law establishing requirements for commercial email and messages, giving recipients the right to stop receiving them, and setting rules for commercial messaging.

California Consumer Privacy Act (CCPA): State law providing California residents with rights regarding the collection and use of their personal information by businesses. Important if the website serves California residents.

E-SIGN Act: Federal law ensuring the legal validity of electronic signatures and records in interstate and foreign commerce.

Uniform Electronic Transactions Act (UETA): State-level legislation providing legal framework for electronic signatures and records in business transactions.

Copyright Act: Federal law protecting original works of authorship, including website content, design elements, and software code.

Patent Act: Federal law protecting novel inventions and processes, which may apply to unique website functionalities or technologies.

PCI DSS: Payment Card Industry Data Security Standard - security standards for organizations handling credit card information to ensure secure payment processing.

HIPAA: Health Insurance Portability and Accountability Act - federal law establishing standards for protecting sensitive patient health information. Relevant if website handles healthcare data.

FERPA: Family Educational Rights and Privacy Act - federal law protecting the privacy of student education records. Important for educational institution websites.

GLBA: Gramm-Leach-Bliley Act - federal law requiring financial institutions to explain their information-sharing practices and protect sensitive data. Relevant for financial services websites.

State Data Breach Notification Laws: Various state-specific laws requiring businesses to notify individuals of security breaches involving personally identifiable information.

GDPR Compliance: European Union's General Data Protection Regulation - must be considered if the website will serve EU residents or process EU citizen data.