Okla. Stat. tit. 2, § 37
The funds provided for in Section 1 shall be derived from any funds on hand, not otherwise appropriated, in the contingent fund of the county, and the county commissioners shall audit and allow bills presented by persons to whom premiums have been awarded as in other cases, on filing with said bill a certificate of the secretary and treasurer of the fair association, which shall state the person to whom the premium was awarded, the amount and character of the exhibit for which premium was awarded; Provided, that no part of said appropriation shall be allowed or paid for exhibitions of speed or races.
Laws 1910-11, SB 38, c. 118, p. 260, § 2.