Skip to main content
Navigation Menu
Search Form
Header
News
Forms/Publications
Contact Us
About Us
Board of Trustees
Careers
News
Strategic Plan
Search
Search
Teachers' Retirement System
of the State of Illinois
Toggle navigation
Main navigation
Retirees
Tier 1
Tier 2
Members
Tier 1
Tier 2
I Don't Know
Employers
Member Login
Employer Login
Main Content
Tier I Member Menu
Tier II Member Menu
Retired Member Menu
Employer Menu
Employers Home
Employer Guide
Chapter 1: Introduction
Chapter 2: Membership
Chapter 3: Creditable Earnings
Chapter 4: Employer Payments
Chapter 5: Reporting
Chapter 6: Service Credit
Chapter 7: Optional Service Credit and Payment Options
Chapter 8: Excess Costs
Chapter 9: Member Refunds
Chapter 10: Retirement Benefits
Chapter 11: Post-retirement Matters
Chapter 12: Disability Benefits
Chapter 13: Death Benefits
TRS Supplemental Savings Plan (SSP)
SSP Employer Information
SSP Employer FAQs
Gemini Pay-period Reporting
Gemini System Updates
FY26 Updates
FY25 Updates
FY24 Updates
FY23 Updates
Gemini Resources
Gemini FAQs
Supplementary Report & Sick Leave Reporting
Supplementary Report Reminders
Sick Leave Reporting Reminders
Annual Certification
Instructions
Edits
Reporting Reminders
Return to Teaching in Subject Shortage Area
Employer Bulletin FY26-05
Information Bulletin 79
Regional Superintendent Certification Form
Contribution Rates & Earnings Limitations
TRS and THIS Fund Contributions Rates & Earning Limitations
SSP Contribution Limits
Insurance Program Monthly Contribution Rates
Retirement Issues
Post-Retirement Limitations
Sick Leave Reporting
Salary Increases Over 6 Percent
Excess Sick Leave Calculator
Excess Salary Increase Calculator
GASB 68 Actuary Report
Report on Allocation of Pension Amounts
THIS Fund Audits & Allocations
Employer Bulletins
Current Bulletins
FY25 Bulletins
FY24 Bulletins
FY23 Bulletins
FY22 Bulletins
FY21 Bulletins
FY20 Bulletins
FY19 Bulletins
FY18 Bulletins
FY17 Bulletins
FY16 Bulletins
FY15 Bulletins
FY14 Bulletins
Social Security Notification Requirement
Days Worked Report Forms
Post-Retirement Hours Worked Forms
Employer Tutorials
Employer Support
Sidebar Menu
Careers
Investments
Trustees
Vendors
FOIA
Financial
Member Login
News Links Menu
Legislative
Contact
FY22-02: Using the Gemini Employer Portal
Primary tabs
View
Latest version
Latest version
Associated Files
File Title
Download
FY22-02: Using the Gemini Employer Portal
Download