Ohio Revised Code Title XLI. Labor and Industry § 4109.02

(A) Except as provided in division (B) of this section or in section 4109.06 of the Revised Code, no minor of compulsory school age shall be employed by any employer unless the minor presents to the employer a proper age and schooling certificate as a condition of employment.

A valid certificate constitutes conclusive evidence of the age of the minor and of the employer's right to employ the minor in occupations not denied by law to minors of that age under section 4109.06 of the Revised Code or rules adopted under that section.

(B) Minors aged sixteen or seventeen are not required to provide an age and schooling certificate as a condition of employment if they are to be employed during summer vacation months after the last day of the school term in the spring and before the first day of the school term in the fall, in nonagricultural and nonhazardous employment as defined by the “Fair Labor Standards Act of 1938,” 52 Stat. 1060, 29 U.S.C.A. 201, and similar state statutes, or in other employment not prohibited to minors age sixteen or seventeen by law.

(C) To be hired for the type of employment described in division (B) of this section, minors shall provide the employer with the following: