"[HB 4513] amends the Metropolitan Water Reclamation District Article of the Illinois Pension Code. [HB 4513] increases the required employee contributions of persons who first became employees of the Fund or certain reciprocal systems before January 1, 2011. [HB 4513] changes the manner in which the District calculates its required contribution and tax levy. The new contribution amount is calculated as the employer's normal cost plus the annual amount needed to amortize the unfunded liability by the year 2050 as a level percent of payroll, but shall not exceed an amount equal to the total employee contributions 2 years prior multiplied by 4.19 (currently 2.19)…"
from the IEA
Unconstitutional pension bill advances
See "Antedated Court Cases: Challenging the Pension Clause, Article XIII, Section 5" (May 18, 2011) http://teacherpoetmusicianglenbrown.blogspot.com/2011/05/antedated-court-cases-challenging.html