(1) To make ORS 241.016 to 241.990, providing a system of civil service under which county employees shall be employed, applicable to such county;
(2) To make ORS 242.702 to 242.824, providing a system of civil service under which certain political subdivisions shall employ firefighters, applicable to such county for all county employees;
(3) That provides a system of civil service which substantially accomplishes the general purposes of ORS 241.016 to 241.990 or 242.702 to 242.824, including methods of recruitment and promotion of county employees by competitive examinations and provisions for job tenure for county employees; or
(4) That amends an existing system of civil service previously approved by the electors under subsection (3) of this section. [1959 c.315 §3; 1983 c.350 §59; 1991 c.67 §60]