Oregon Revised Statutes Public Officers and Employees § 242.756

(1) All persons employed in positions subject to civil service at the time such position first becomes subject to civil service, and who have been employed by the political subdivision continuously for a period of at least six months preceding the date when that position became subject to civil service, and who are citizens of the United States hereby are inducted permanently into civil service in the positions then held as if such persons had been permanently appointed under civil service after examination and investigation.

(2) All persons who hold positions subject to civil service in any political subdivision at the time such position first becomes subject to civil service but who are not eligible for induction into civil service as provided for in subsection (1) of this section shall continue to hold their positions until replaced by persons appointed under civil service.

(3) Within 10 days after a position first becomes subject to civil service, the appointing power for that position shall file with the treasurer, auditor, comptroller or similar officer of the political subdivision a statement giving the names, residence, occupation, length of continuous service and compensation of each person holding that position, declaring whether each person is or is not eligible for induction into civil service as provided in subsections (1) and (2) of this section, and certifying as to the citizenship status of each such person.

(4) Within 60 days after any position first becomes subject to civil service, the commission shall classify such position. Within 90 days after a position first becomes subject to civil service, the commission shall hold an examination to fill any positions not filled by persons inducted into civil service as provided in subsection (1) of this section.