Okla. Stat. tit. 40 § 71
No child under the age of sixteen (16) shall be permitted to work in any occupation or in any establishment other than those occupations permitted by the "Fair Labor Standards Act of 1938", as amended, 29 U.S.C., Sections 201 through 219, and any regulations related thereto.
It shall be the duty of the Commissioner of Labor upon investigation by himself or the agents of his department, or upon the complaint of the Board of Health, to determine what occupations are injurious to health or morals or especially hazardous to life or limb, and to notify employers in such occupations of his decision, which decision shall be final until such occupations shall be defined by law or by final judgment in a court of competent jurisdiction as safe for health, morals, life or limb.
Okla. Stat. tit. 40, § 71