Oregon Revised Statutes Occupations and Professions § 704.065

(1) A person who acts or offers to act as an outfitter and guide using boats to carry passengers on the waters of this state shall affix to each boat used in providing outfitter and guide services an identifying decal issued by the State Marine Board or other governmental agency, subject to rules of the board, showing the year of issuance, the passenger-carrying capacity of the boat and such other information as the board may prescribe.

(2) The boat decals for each outfitter and guide who uses a boat to carry passengers on the waters of this state expire on December 31 of each calendar year.