A: No. Your participation in a deferred compensation plan does not affect your retirement allowance with Middlesex County Retirement System. Use these forms to manage your retirement plan.You will need your Social Security Number and PIN to enroll in the Plan online. Taking a refund of your total accumulated deductions terminates your rights in the retirement system and may subject you to tax consequences. Do not fill out more than one section.) Fill out Option I, Option II, or Option III. Please complete only one .