When any officer charged with the enforcement of child labor laws discovers any child who in the officer's judgment is under fourteen years of age employed by a person who is not the parent or guardian of such child, the officer may cause such child to discontinue employment until satisfactory proof of lawful age is furnished.
Proof of lawful age of employed child
Ohio Rev. Code Ann. § 3331.12, under Chapter 3331 | Age and Schooling Certificates.
Ohio Rev. Code Ann. § 3331.12