The DROP provides a way for members who are eligible to retire to continue working while receiving a retirement benefit. You can participate in DROP for up to 36 months.Contact Deferred Compensation at 1-(800) 701-8255 to begin your distribution after separation. You are eligible to enroll immediately following your date of hire. Enrollment. This chapter outlines the steps to be taken when a member applies for retirement with the Deferred Retirement Option Plan (DROP). A 457(b) plan is a tax-deferred retirement savings plan. Funds are withdrawn from an employee's income without being taxed and are only taxed upon withdrawal.