Amends the Property Tax Extension Limitation Law in the Property Tax Code. Provides that, for the 2023 and 2024 levy year, the term "taxing district" means all taxing districts in the State, including home rule units, but does not include a taxing district with a population of less than 25,000, unless that taxing district was subject to the Property Tax Extension Limitation Law on the effective date of the amendatory Act or was made subject to the Law by referendum. Provides that, for the 2023 and 2024 levy year, the extension limitation is 0% or the rate of increase approved by the voters. Limits home rule powers. Effective immediately.