Without dual membership, your service wouldn’t be eligible for a monthly benefit from either system
If you retire at age 65 with three years of service credit from TRS Plan 3 and four from the Public Employees’ Retirement System (PERS) Plan 3, you are a dual member. With dual membership, your service credit is combined, giving you enough to retire. Your benefit from each system is calculated with service from that system alone. This is how your benefit is calculated:
Military service
Do you have U.S. military service? If you leave or reduce your DRS retirement plan-covered employment to serve in the military, you could be eligible for restoration of missing retirement service credit. The amount of service credit you have directly affects your retirement income calculation.
There is a deadline
You must complete payment for the military namorando uma mulher 20 anos mais jovem service credit within five years of returning to DRS-covered employment, or before you retire, whichever comes first.