Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 656.258

The insurer or self-insured employer shall pay a vocational assistance provider for all vocational assistance services, including the cost of an evaluation to determine whether a worker is eligible for vocational assistance, that are performed at the request of the insurer or self-insured employer. Within 60 days after receiving a billing, the insurer or self-insured employer shall pay for all vocational assistance services performed, including those services performed in good faith without knowledge that the worker's eligibility to receive vocational assistance has been terminated or that the worker has withdrawn or is otherwise ineligible for vocational assistance.