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 is the DROP? What’s the difference between the PERF Hybrid plan and the My Choice: Retirement Savings Plan? How do I apply for the Millie Morgan retirement option? I am planning on submitting my retirement application before the new online retirement application comes out. Which application should I be using?