August 30, 2017 20:46 Updated Follow The PERF actuary reviews the status of employees covered annually. The percentage may adjust to alleviate unfunded liability. Related articles What happens if I don't make an election in the PERF Hybrid plan or My Choice: Retirement Savings Plan? What is the My Choice: Retirement Savings Plan supplemental rate? Who determines the percentage of gross annual payroll contributed by political subdivisions who enroll their employees in PERF Hybrid? How much can I match based on an employee’s additional (voluntary) contributions? What’s the difference between the PERF Hybrid plan and the My Choice: Retirement Savings Plan?