Okla. Stat. tit. 40, § 141.20

A. The Director of the Office of Management and Enterprise Services is hereby authorized, upon request by the Commissioner of Labor, to establish a petty cash fund for the Department of Labor in an amount not to exceed Four Hundred Dollars ($400.00), to be used for the purpose of making change for persons obtaining licenses and transacting other business with the Department. B. The fund shall be established and replenished from any monies available to the Department for operating expenses. C. The Director of the Office of Management and Enterprise Services shall prescribe all forms, systems, and procedures for administering the fund.