Creates the Local Government Surplus Funds Limitation Act. Provides that no taxing district, other than a municipality with a population of less than 10,000 inhabitants, may hold more than 200% of the amount of the municipality's tax collections from the previous fiscal year in cash or cash-equivalent assets. Provides that, if, at the end of any fiscal quarter, the taxing district has more than that amount in cash or cash-equivalent assets, then the excess amount shall be refunded to taxpayers pro rata based on each taxpayer's percentage of the total levy for the previous year. Preempts the concurrent exercise of home rule powers. Effective immediately.