Before you apply: Complete the Preparing to Apply for Retirement (R0870C) checklist to gather everything you'll need to complete your application. Complete and return the forms to ORS with all required documents listed in the packet.You will be directed to your Account Detail – Summary, where the Tax Elections section is located and click "Edit State Tax". The age you can start getting full SSR benefits depends on the year you were born. If you were born between 1943 and 1954, the age you get full benefits is 66. Required Documents: 1. Retired Pay Application – DD Form 2656 and DD Form 108 – (Retirement Services will aid you in the completion of this form). MERS must follow Michigan state law and prudent standards of diligence. We maintain strict oversight and management. Forms may be submitted up to 365 days in advance of the retirement date.