January 15, 2018 17:14 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? What options do I have to make member contributions to the My Choice: Retirement Savings Plan as an employer? How much can I match based on an employee’s additional (voluntary) contributions?