City Retirement Systems for Seattle, Spokane, and Tacoma. You previously contributed to a dual member system other than the one to which you now belong. You have not retired for service from any dual member system, or any other DRS-administered retirement system. You are not receiving disability retirement or disability leave benefits from any dual member system, or any other DRS-administered retirement system. Contact DRS for more information.
T here are three major advantages associated with dual membership.
You may restore service credit withdrawn from any other dual member system. You may combine service credit earned in all dual member systems for the purpose of becoming eligible for service retirement or meeting vesting requirements in all dual member systems. You can use your highest base salary in a dual member system to calculate your service retirement benefit in your other dual member systems. Restoration under dual member statutes If you become a dual member, you may restore contributions and service credit that you previously withdrew from any other dual member system. To restore, you must repay the withdrawn contributions plus interest within 24 months of becoming a dual member.