Okla. Stat. tit. 63, § 128.3

Whoever, either as principal, agent, servant, or employee of such person, partnership, or corporation violates any of the provisions of Sections 20 and 21 of this act, or fails to procure a valid certificate from the Chief State Mine Inspector, as herein provided, shall be fined not less than Fifty Dollars ($50.00) nor more than Two Thousand Dollars ($2,000.00).