If you are newly eligible to enroll in the ORP plan: You will need to complete the TRS-28 provided to you. In addition to the 403b, you can enroll in the 457 offered through the State of Texas.Collin County offers three 457(b) retirement savings options that allow you to save pre-tax money for retirement. The county matches employee contributions at a ratio of 2 to 1. We provide Dallas seniors and their families with programs, tools, and resources to support their emotional and financial well-being. The Texas Simplified Application Project (TSAP) provides Supplemental Nutrition Assistance Program (SNAP) food benefits to Texas households. Benefits after Retirement. U.S. Social Security Administration; Provides information regarding retirement, social security benefits, Medicare benefits and much more.