Welcome to the Open Enrollment 2010 General Information Page! Open Enrollment for all County employees, Retirees, employees of Special Districts, and COBRA participants is being held in October, 2009. Effective date of any plan changes you make will take effect January 1, 2010. County employees can find details about the Open Enrollment process on the Human Resources and Development Intranet site found on http://tcweb Retirees, employees of Special Districts and COBRA participants should contact the Human Resources and Development Benefits Unit at 636-4911.