Oregon Revised Statutes Public Officers and Employees § 241.285

The commission shall establish rules and regulations under which emergency appointments may be made when those on the eligible list are not immediately available, and fix the time for which such emergency appointments shall be valid; provided, nothing contained in ORS 241.016 to 241.990 shall be construed to change, alter or impair the power of any officer, as provided by law, to command the assistance of the inhabitants of the county of the officer in serving or executing, or overcoming resistance to the service or execution of, any process, order or paper delivered to the officer for execution or service.