Establishes surplus revenue reserve account in the Property Tax Relief Fund if certain levels of unanticipated gross income tax revenue are collected.

This bill creates a reserve account within New Jersey's Property Tax Relief Fund to save unanticipated income tax revenue. When actual gross income tax collections exceed the Governor's certified estimate by more than 6% in a fiscal year, half of that excess amount is automatically deposited into the reserve annually. The fund serves as a dedicated "rainy day fund" specifically for property tax relief programs and State Aid programs that reduce local property taxes. Funds can only be spent for these purposes, emergency needs, or if the Legislature certifies a revenue shortfall, with strict limits on using the reserve to avoid tax rate increases.