December 26, 2018 12:33 Updated Follow Employers may choose to match 0 percent OR 50 percent of employee voluntary contributions. Related articles What is the 2019 My Choice: Retirement Savings Plan supplemental rate? How do I make voluntary post-tax contributions to my Defined Contribution account? How much can I contribute to my PERF account? Does the gross annual payroll percentage for PERF remain the same or does it change? Am I allowed to make voluntary contributions to my PERF plan?