Oregon Revised Statutes Public Health and Safety § 463.155

(1) The Oregon State Athletic Commission shall appoint a sufficient number of inspectors, who shall be paid as determined by the commission.  The appointed inspectors shall serve as tax assessors for the commission for the boxing, mixed martial arts or entertainment wrestling events that the inspectors are assigned to and shall:

(2) The inspector for a boxing, mixed martial arts or entertainment wrestling event shall verify the accuracy of the promoter's account and the amount of the taxed gross receipts for any event to which the inspector is assigned by the commission.

(3) An appointed inspector may be designated by the commission to act as a representative of the commission in overseeing the conduct of a boxing or mixed martial arts event.