40 ILCS 5/7-198 : Government — Pensions — Illinois Pension Code — Illinois Municipal Retirement Fund —198 - To make rules TEXT PDF To establish such rules and regulations not inconsistent with the other provisions of this Article as are necessary or desirable for the efficient administration of the fund, including, without limitation, the time and manner of reporting and making contributions by participating municipalities and participating instrumentalities. 40 ILCS 5/7-198 Laws 1963, p. 161.