Payroll Systems

Instructions

• 2025 W-2 Processing - Instructions and Deadlines (12-17-25)
• Calculate Pro-Rated Monthly Salary Schedule Payment
• Pay History Adjustment (PHA) and Gross Up Calculator (Rev. 06-17--25
• Requesting W-2C (complete and submit both forms listed below)
  • Instructions for Requesting W-2C (Rev. 04-13-18)
  • Request for W-2C Spreadsheet (Rev. 03-14-18)
• Retro Calculation Template (Rev. 03-22-22)

Tip Sheets

• Retirement System Election Flowchart

Public Request Act - Instructions

• Transparent California
  • SMCOE District Instructions - Use SCO Template (Rev. 06-12-24)
• Government Compensation in California - State Controller Office (SCO)
  • SMCOE District Instructions (Rev. 06-12-24)
• Sample Language
  • Requests for Employee Contact Information

Tax Information

• Mandatory and Retirement Fringe Benefit Rates
  • FY 24-25 Mandatory and Retirement Fringe Benefit Rates
  • FY 23-24 Mandatory and Retirement Fringe Benefit Rates
  • FY 22-23 Mandatory and Retirement Fringe Benefit Rates
  • FY 21-22 Mandatory and Retirement Fringe Benefit Rates
• IRS Publication 5138 Quick Reference Guide for Public Employers
• Tax Calculation - Regular Cycle (Rev. 11-08-16)
• Tax Calculation - Supplemental Cycle (Rev. 11-08-16)


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Reference Sheets

• Complete List of Earning Codes (Rev. 03-17-25)
• Deduction Type Codes and Tax Treatment