The following chart outlines the requirements for an immediate annuity under the Federal Employees. Retirement System (FERS).Salt Lake County encourages employees to provide 60 days advance written notice of their decision to retire. If you are retired from URS, you must notify your employer and complete a Post-Retirement. Utah Retirement System (URS). Employees in benefits eligible positions as defined in HR Policy 2-100 Employment Status have the option of participating in the following retirement programs:. 49-21-401. Disability benefits -- Application -- Eligibility. Salt Lake City Corporation participates in the federal employment eligibility verification program (E-Verify). Non-represented employees are paid within ranges established as part of the General Employee Pay Plan (GEPP). 137 What is the Federal.