March 30, 2017 18:37 Updated Follow The PERF actuary reviews the status of employees covered annually. The percentage may adjust to alleviate unfunded liability. Related articles How much can I match based on an employee’s additional (voluntary) contributions? Who determines the percentage of gross annual payroll contributed by political subdivisions who enroll their employees in PERF Hybrid? What is the My Choice: Retirement Savings Plan supplemental rate? What happens if I don't make an election in the PERF Hybrid plan or My Choice: Retirement Savings Plan? What options do I have to make member contributions to the My Choice: Retirement Savings Plan as an employer?