Oregon Revised Statutes Wildlife § 498.286

(1) Except as provided in subsection (2) of this section and ORS 498.279, no person shall conduct, sponsor or participate in any competition or contest in which any prize of a retail value of more than $1,000 is offered for the amount, quality, size, weight or other physical characteristic of game fish taken.

(2) When a prize is offered that exceeds $1,000 for the amount, quality, size, weight or other physical characteristic of a game fish taken, the State Fish and Wildlife Commission, by rule, may limit the number of contests and participants, determine the location of contests and prescribe other terms and conditions regarding the conduct of contests.