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: Post-Retirement Matters
Chapter 11: Retirement Benefits
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
Gemini Resources
Gemini FAQs
Annual Certification
Instructions
Employer Bulletin: Instructions for Filing Annual Certification
Process
Procedures
Edits
Contribution Rates & Earnings Limitations
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 & Emails
Current Bulletins
FY23 Bulletins
FY22 Bulletins
FY21 Bulletins
FY20 Bulletins
FY19 Bulletins
FY18 Bulletins
FY17 Bulletins
FY16 Bulletins
FY15 Bulletins
FY14 Bulletins
Email Archive
Social Security Notification Requirements
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
FY21-17: Preparing for the Gemini Employer Portal
Primary tabs
View
Latest version
Latest version
Associated Files
File Title
Download
FY21-17: Preparing for the Gemini Employer Portal
Download