Fair Housing Act: Federal law prohibiting discrimination in housing transactions, must be considered when extending lease terms to ensure compliance with anti-discrimination provisions

Americans with Disabilities Act: Federal law protecting rights of disabled tenants, relevant if any accessibility accommodations need to be addressed in the extension

Federal Lead-Based Paint Disclosure: Federal requirement for disclosure of lead-based paint hazards in properties built before 1978, must be maintained in lease extension

State Landlord-Tenant Laws: State-specific laws governing the relationship between landlords and tenants, including rights, obligations, and procedures for lease modifications

State Property Laws: State laws governing real property rights, transfers, and obligations that may affect lease extensions

State Rent Control Laws: State regulations limiting rent increases and protecting tenants' rights, if applicable in the jurisdiction

State Security Deposit Regulations: State laws governing handling of security deposits, which may need to be addressed if deposit terms are modified in extension

State Notice Requirements: State-specific requirements for providing notice and implementing lease modifications

Municipal Housing Codes: Local regulations governing property maintenance and habitability standards that must be continuously met

Local Rent Control Ordinances: City or county-specific rent control rules that may affect terms of lease extension

Local Zoning Regulations: Municipal rules governing property use and occupancy that must be complied with during extended lease term

Local Lease Registration: Municipal requirements for registering lease agreements and modifications with local authorities, if applicable

Original Lease Validity: Legal requirement that the original lease must be valid and in effect for an extension to be valid

Party Consent Requirements: Legal requirement that all original parties must provide informed consent to the lease extension

Term Specification Requirements: Legal requirement that terms being extended or modified must be clearly and unambiguously stated

Execution Requirements: Legal requirements for proper execution including signatures and potential notarization as required by state law

Consideration Requirement: Legal requirement that the extension must be supported by consideration (something of value exchanged between parties)