ORS 242.774

The commission shall keep in its office an official roster of all persons holding civil service positions and shall enter therein all appointments, promotions, demotions, transfers, reinstatements, resignations, suspensions, leaves of absence, removals and discharges, setting forth in each instance the date of beginning, change or termination of service and the nature of the duties performed, together with sufficient information to show why and how such appointments or other changes were made. The roster shall be kept so as to disclose readily to anyone desiring to inspect it all such matters as to each position subject to civil service and each person employed therein.