Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 659A.285

(1) Except as provided in subsections (2) and (3) of this section, and unless otherwise provided by the terms of an agreement between the eligible employee and the covered employer, a collective bargaining agreement or an employer policy, a covered employer is not required to grant leave with pay to an eligible employee under ORS 659A.272.

(2) An eligible employee who takes leave pursuant to ORS 659A.272 may use any paid accrued vacation leave, any accrued sick leave or personal business leave, or any other paid leave that is offered by the covered employer in lieu of vacation leave during the period of leave.

(3) Subject to the terms of any agreement between the eligible employee and the covered employer or the terms of a collective bargaining agreement or an employer policy, the covered employer may determine the order in which paid accrued leave is to be used when more than one type of paid accrued leave is available to the employee.