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How to Calculate Seniority for Layoff/Reduction in Time

Follow the steps below to calculate seniority for decisions made during layoff or reduction in time.

  1. Prepare to calculate seniority
    • Contact your Employee Relations Consultant to determine:
      • Your layoff unit
      • Which job classifications will be affected by layoff in your department
    • Create a list of all employees in the layoff unit who have the same job classification as the positions scheduled for layoff
    • Collect time records for each employee in the classifications targeted for layoff
  2. Calculate seniority
    • For each employee, assign one seniority point for each month worked on a full-time basis and partial points for less-than-full-time employees.
      • Example: An employee works one month on a full-time basis and earns 1 seniority point. The next month, the employee works 75% on a full-time basis. The employee's seniority points total 1.75.
    • Other factors that affect seniority:
      • Only employment while on pay status counts toward seniority.
      • All types of paid time (e.g., vacation, Workers' Compensation) count toward seniority.
      • Employment before a break in service (separation from employment status) does not count unless the employee had been laid off with preference and re-employed within the preferential rehire period.
      • Determine seniority calculation method by reviewing Personnel Policy for Staff Members or the applicable collective bargaining agreement.
    • Out-of-seniority retentions: 
      • If individuals in your department possess special knowledge, skills, and abilities (e.g., certifications or licenses) required for business operations, you may be able to retain them regardless of seniority.
  3. Create a seniority list
    • Based on your calculations in Step 2, create a list of career employees in the same layoff unit and same classification in order of seniority (highest to lowest points).
    • The least senior career employees in the same layoff unit and same classification are considered first for layoff.
  4. Check your calculations.

If you have questions, please contact Employee & Labor Relations at UC Davis or UC Davis Health.