May 01, 2017 15:28 Updated Follow Yes. The applicability of any mandatory retirement age is not affected by your participation in the DROP. Related articles When can I retire from PERF or TRF? What’s the difference between the PERF Hybrid plan and the My Choice: Retirement Savings Plan? What is PERF? How do I retire from the 1977 Police Officers' & Firefighters' Pension & Disability Fund? If I participate in the DROP, retire on my chosen DROP retirement date, and choose the DROP benefit, how will the DROP benefit and my monthly retirement benefit be calculated?