(35 ILCS 200/10-50)
    Sec. 10-50. Valuation after 8 year valuation period. For the 4 years after the expiration of the 8-year valuation period, the valuation for purposes of computing the assessed valuation shall be as follows:
    For the first year, the base year valuation plus 25% of the adjustment in value.
    For the second year, the base year valuation plus 50% of the adjustment in value.
    For the third year, the base year valuation plus 75% of the adjustment in value.
    For the fourth year, the then current fair cash value.
(Source: P.A. 82-1023; 88-455.)