The State of Texas retirement plan is mandatory for most state agency employees and provides a lifetime annuity when they retire. A governmental retirement plan must meet certain minimum benefit or contribution standards to qualify as a public retirement system.Your age plus your years of service equals 75 (also called the Rule of 75). The largest worldwide survey of government employees that annually tracks how employees view workforce management, policies, and new initiatives. You cannot contribute to TRS or ORP programs due to your retired status, but you are still eligible to contribute to the UTSaver Voluntary Retirement Programs. Dallas County employees participate in the Texas County and District Retirement System (TCDRS). Find government survivor benefits including COVID-19 funeral benefits, housing, and education help. Approaching retirement. ORP retirees may return to work on the first of the month following retirement without restrictions. TMRS is a statewide retirement system that provides retirement, disability, and survivor benefits for employees of participating Texas cities.