Or. Admin. R. 611-040-0010 – Per Diem Compensation

(1) Subject to the availability of funds in the budget, the Commission must pay any member of the Commission, other than a member who is employed in full-time public service, compensation for each day or portion thereof during which the member is actually engaged in the performance of official Commission duties.
(2) The rate of compensation is $30 per day pursuant to ORS 292.495(1).
(3) In order to receive compensation, a member must submit to the Commission a written claim for compensation by the 10th day of the second calendar month following the month for which the member seeks compensation. The member must specify the amount of time the member spent on official Commission duties as well as the nature of the duties performed for any day or portion thereof for which the member claims compensation.

ORS 292.495, ORS 576.206 & ORS 576.416