Relating to housing code requirements, removing the definition of apartment houses from chapter 31 of the Kansas Statutes Annotated, providing requirements for adoption of the international fire code, 2024 edition, and providing that certain state accessibility standards are not applicable to moderate income housing program and Kansas investor tax credit housing act projects.

The definition of 'apartment houses' found in K.S.A. 31-132a was explicitly removed from the bill's repealing language.

The detailed definition of 'public financial assistance' (including tax credits and grants) was deleted from the bill.

A typo in the definition of 'residential structure' was corrected to read 'four attached living dwelling units or less' instead of the conflicting 'two four attached living dwelling units or less fewer'.

Exempts multi-family townhouses with four or fewer attached units from state-mandated fire sprinkler installation requirements.

Prohibits municipalities from adopting or enforcing ordinances that require fire sprinklers in residential structures, including small townhouses.

Removed the repeal of K.S.A. 31-132a, which previously deleted the definition of apartment houses, effectively restoring and modifying that definition.

Redefines 'apartment house' to explicitly exclude townhouses and townhouse units, preventing them from being subject to stricter apartment building codes.

Updates the definition of 'townhouse' to require fire separation walls and specific yard/public way access, ensuring clarity for enforcement.

Establishes a July 1, 2026 effective date for the new fire protection system exemptions for construction projects approved after that date.

Added a mandatory requirement for the state fire marshal to adopt the 2024 edition of the International Fire Code.

Introduced new requirements for public and private schools to conduct tornado drills twice per year (September and March) and for higher education institutions to establish tornado procedures approved by the county disaster agency.

Removed the specific definition of 'apartment house' and the prohibition on municipalities requiring fire sprinklers in residential structures.

Changed the bill's title and purpose to reflect a broader update to housing code requirements and fire safety regulations rather than just sprinkler exemptions.