IMRF Plans at a glance

IMRF administers three plans, and two tiers within those plans.

IMRF Regular Tier 1 Plan

Most IMRF members participate in the Regular Plan. If your first participation date in IMRF or any Illinois Reciprocal System is prior to January 1, 2011, you participate in this plan.

IMRF Regular Tier 2 Plan

Most IMRF members participate in the Regular Plan. If your first participation date in IMRF or any Illinois Reciprocal System is January 1, 2011, or later, you participate in this plan.

Sheriff's Law Enforcement Personnel (SLEP) Plan

Membership in SLEP is based on several items, such as your position, type of appointment, and/or action taken by your employer.The following positions may be eligible to participate in the SLEP Plan:

• Deputy Sheriffs
• Deputy
• Sheriff and Chief Deputy
• Correctional Officers
• Forest Preserve District Rangers
• Airport Police
• Police Chief

Revised ECO Tier 1

On January 26, 2000, Public Act 91-0685 revised the original ECO program. If your first ECO participation date was between January 26, 2000 and December 31, 2010, you participate in Revised ECO Tier 1.

Revised ECO Tier 2

If you first elected to participate in the ECO Plan on or after January 1, 2011, you participate in REvised ECO Tier 2.

Original ECO

In 1997, Public Act 90-0032 was signed into law creating the original alternative benefit plan for Elected County Officials (ECO). If you first participated in the ECO plan prior to January 26, 2000, you participate in Original ECO.