4.00 Introduction

IMRF employers are required by law to deposit IMRF employer and member contributions Members who participate in the Regular Plan contribute 4.50% of salary toward a future IMRF pension: 3.75% for the member and 0.75% for a surviving spouse pension. Members who participate in the SLEP plan contribute 7.50% of salary (on and after June 1, 2006) toward a future SLEP pension: 6.75% for the member and 0.75% for a surviving spouse pension. Before June 1, 2006, SLEP members contributed 6.50 percent of salary; 5.75 percent for the member and 0.75 percent for a surviving spouse pension. Members in the ECO plan contribute 7.50 of salary toward a future ECO pension: 6.75% for the member and 0.75% for a surviving spouse pension. with IMRF every month. This section of the manual explains how to complete the deposit reports and specifies when the deposits are due.  

Procedures for reporting and adjusting IMRF wages and contributions
 

1. IMRF Reporting: Overview

2. Methods of Reporting Monthly IMRF Wages and Contributions: Specific Guidelines

3. Paying Early Retirement Incentive Costs

4. Corrections of Member Wages and Contributions Previously Reported (Web or Form 3.20)

5. IMRF Tax-Deferred Payroll Deduction Program for the Purchase of Past or ERI Service

Reports and procedures required by the federal and state governments
 

1. Federal and State Reports: Overview

2. Payroll Records: Access, Preservation, Period of Retention

For definitions of participating members and wages to be reported, refer to Section 3 for:

1. School employees

2. Employees of local units of government other than schools

3. Earnings definition