Gemini Masthead

Gemini Resources

Gemini Employer Portal Videos

Instructional Videos

School Year Setup, 2026

Gemini Field Definitions, 2026

Summer Payrolls, 2026

Supplementary Reports and Sick Leave Certifications, 2026

Annual Certification Training, 2025

Payroll Schedules, 2025

Adjustments and Adding Records to Report, 2025

Registration and Managing Contacts and Users

Dashboard, Navigation and Password Management

Managing Employer Information

Reporting: File Upload

Reporting: Data Entry

Invoices

File Format Instructions

(share with IT staff/payroll vendor)

Defined Benefit Employer Reporting File Format (Version 2.0)

Supplemental Savings Plan Employer Reporting File Format (Version 2.10)

Employer Reporting File Validations - Error Code List

Associated Files

File Title Download
Payroll Schedule, May 2026 Download
School Year Set Up, May 2026 Download
Summer Payroll, May 2026 Download
Flexible Benefit Plans, April 2026 Download
Post-retirement, April 2026 Download
Gemini Field Definitions, March 2026 Download
Member Lookup, Feb. 2026 Download
Sick Leave: Part 1, Sept. 2025 Download
Sick Leave: Part 2, Sept. 2025 Download
TRS Annual Certification Process Presentation Download
Payroll Schedule, June 2025 Download
Rejected Records, May 2025 Download
Service Credit - 2025 Download
Gemini Adjustments and Adding Records Training, April 2025 Download
Leave of Absence Presentation, 2025 Download
Completing Supplementary Reports and Sick Leave Certifications - 2026 Download
Creditable Earnings - 2025 Download
Employer Access - 2025 Download
Member Overview - 2025 Download