EPO open enrollment is through June 25 EPO open enrollment is through Monday, June 25. During this time employees may change their health coverage to EPO or cancel their EPO coverage. If you do not know what plan you are currently on, contact Blue Cross at 1-800-223-1704. If you choose EPO health coverage you must choose Altru Clinic or MeritCare Clinic(EGF). No paperwork is necessary if you are not making changes to your health coverage. If you want to make a change, the form is available online at www.nd.gov/ndpers or in the Payroll Office. Changes go into effect July 1, 2007. All forms must be returned to the Payroll Office by 4:30 p.m. Monday, June 25, 2007. -- Payroll.