January 02, 2019 20:28 Updated Follow Please fill out this form and submit it to INPRS. Our address and fax number are on the form. Related articles What is the DROP? Can I change my mind while in the DROP and decide to retire earlier than or later than the retirement date I elected at the time I entered the DROP? Why will my PERF or TRF monthly joint and survivor benefit amount decrease if I retire later? How do I update my bank account for direct deposit of my retirement benefit? If I wish to retire on my DROP retirement date, how do I file for benefits?