(a) The commissioner of agriculture shall determine from the evidence outlined above, namely, reports and checks or receipts, and by any inquiries that shall be considered necessary by the commissioner, whether or not the fair has been held in accordance with all the foregoing provisions of this chapter.
(b) If, in the commissioner’s judgment, the fair has complied with all the requirements of this chapter, the commissioner shall issue a state voucher according to the regular accounting procedures in effect in the department of agriculture and shall pass such voucher on to the department of finance and administration for approval; but the commissioner shall refuse to pay state aid to any fair that has not been held in accordance with this chapter.