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this subsection, "net new funds" means the amount of funds received  |  | by the county from the State in that fiscal year, with respect to  |  | services funded in whole or in part by assessments, less the  |  | following product:__the amount of such funds received in the prior  |  | fiscal year multiplied by an adjustment factor.__The adjustment  |  | factor equals:__one plus the income growth factor described in  |  | subsection 3 plus the annual property growth factor for member  |  | municipalities as defined in subsection 1.__In the event a county  |  | receives net new funds in any fiscal year for which its assessment  |  | limit has not been adjusted as provided in this subsection, the  |  | county must adjust its assessment limit in the following year in an  |  | amount equal to the net new funds. |  
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 |   |  | 5.__Extraordinary event.__Upon the affirmative vote of its  |  | governing body, a county may exceed its assessment limit in an  |  | amount necessary to comply with a court order or decree or to  |  | respond to an extraordinary event.__"Extraordinary event"  |  | includes any catastrophic event outside the control of the county  |  | commissioners, such as natural disasters, severe weather events,  |  | acts of God, acts of terrorism, fire, war and riots.__ |  | "Extraordinary event" does not include changes in economic  |  | conditions, revenue shortfalls or increases in salaries or  |  | benefits.__An appropriation under this subsection may not cause  |  | the county's assessment limit to be adjusted for any future  |  | fiscal years and may not continue for longer than required to  |  | comply with the court order or decree or address the  |  | extraordinary event. |  
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 |   |  | 6.__Referendum.__A county may elect to raise its assessment  |  | limit by referendum upon the affirmative vote of a majority of  |  | the voters of the county voting at any regular or special  |  | election.__Notwithstanding any law to the contrary, the  |  | referendum may be called only upon the affirmative vote of a  |  | majority of the county commissioners, and the referendum must be  |  | governed according to state law and any applicable charter.__The  |  | warrant for the referendum must set forth the question in the  |  | following form:__"Do you favor raising the levy limit of [name of  |  | county] for the purpose of [insert purpose]?" |  
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 |   |  | 7.__Treatment of surplus.__Any assessments collected by a  |  | county in any fiscal year in excess of its assessment limit, as  |  | determined by a final audited accounting, must be transferred to  |  | a property tax relief fund, which each county shall establish,  |  | and used to reduce assessments in subsequent fiscal years.__ |  | Nothing in this subsection is intended to limit the ability of a  |  | county to maintain adequate reserves as permitted by law,  |  | provided that annual allocations or appropriations of funds to  |  | reserves are treated as appropriations subject to the  |  | appropriation limits set forth in subsection 1. |  
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