Section 462.450 - Regulation of possession, transportation or use of drugs at race course(1) No person shall possess, transport or use any drug within the confines of a race course, except upon a bona fide veterinarian's prescription with a complete statement of the uses and purposes of such prescription upon the container of such prescription.(2) A copy of such prescription shall be filed with the Oregon Racing Commission veterinarian of the race meet, and such prescription shall be used only with the approval of the said commission veterinarian. 1953 c.498 §7; 1969 c.356 §32; 1975 c.549 §16; 1979 c.698 §14