It shall be the mandatory duty of the board of county commissioners of any said counties to include in the estimates of needs for any such counties for each fiscal year, whether an exposition and fair is held in such year or not, a sum not less than Eight Thousand Dollars ($8,000.00) in counties having a net assessed valuation, as provided in Section 1, Chapter 6, Title 19, page 39, Oklahoma Session Laws 1943, at the time the appropriation is made of not less than Thirty-five Million Dollars ($35,000,000.00) and not more than Forty Million Dollars ($40,000,000.00); or a sum of not less than Ten Thousand Dollars ($10,000.00) in counties having such a net assessed valuation at the time the appropriation is made of more than Forty Million Dollars ($40,000,000.00) but not more than Forty-five Million Dollars ($45,000,000.00); or a sum not less than Twelve Thousand Dollars ($12,000.00) in counties having such a net assessed valuation at the time the appropriation is made of more than Forty-five Million Dollars ($45,000,000.00), unless a lesser sum is requested by said board of directors, to be used by said board of directors in the payment of premiums, salaries, and other expenses incurred in the management, operation and conducting of such exposition and fair, including the salary of the secretary-treasurer and office employees, and secretary's bond premium, and for the maintenance of buildings and the upkeep of grounds, the construction of new buildings, or either of such purposes, and any other expense incidental to the general purposes of this act. The amount appropriated shall be a part of the current expenses of the county, and it is hereby made the mandatory duty of the excise board of said county establishing such exposition and fair to approve the amount so estimated for said purposes by said board of county commissioners. The miscellaneous income received by said board of directors during any year shall not be taken into consideration as a part of such estimated income used in financing the estimated needs of the county, and such estimated needs shall be exclusive of the estimated miscellaneous income.

Laws 1947, p. 6, § 13.