Oregon Revised Statutes Public Health and Safety § 462.190

(1) No person under 18 years of age shall enter upon a race course at any time where races are being conducted in which wagering is permitted, except:

(2) Notwithstanding subsection (1) of this section, no person under 12 years of age shall after 6 p.m. enter upon a race course where races are being conducted in which wagering is permitted, except this section shall not apply to any annual state or county fair or fair-type exposition on the same premises where a race meet is being conducted by the same licensee.

(3) No person under 18 years of age shall, except when in the performance of a duty incident to employment, loiter in the wagering area of a race course. The Oregon Racing Commission shall designate and require the marking of the wagering area at each race course.

(4) No licensee conducting a race meet shall sell a mutuel wagering ticket or receipt to a person under 18 years of age or to a person who is visibly intoxicated.

(5) No person shall purchase a mutuel wagering ticket or receipt for or on behalf of a person under 18 years of age.