State-Specific Landlord-Tenant Laws: Each state has its own requirements for lease termination notices, including minimum notice periods and specific delivery methods. Compliance with state-specific regulations is mandatory.

Fair Housing Act: Federal law that prohibits discrimination in housing-related matters based on protected classes including race, color, religion, sex, national origin, disability, and familial status. Non-renewal notices must not violate these protections.

Local Municipal Codes: City or county-specific requirements that may affect lease terminations, including additional notice periods and specific formatting or content requirements for notices.

Service Members Civil Relief Act: Federal law providing special protections for active military personnel that may affect the ability to non-renew leases in certain circumstances.

State Security Deposit Laws: State-specific regulations governing the handling and return of security deposits upon lease termination, including timelines and procedures.

Original Lease Terms: The existing lease agreement's specific requirements for notice periods and termination procedures, which must be followed and cannot be contradicted in the non-renewal notice.