Ohio Rev. Code Ann. § 4759.02
(B) Except for a licensed dietitian holding an inactive license who does not practice or offer to practice dietetics, or a person licensed under section 4759.06 of the Revised Code, or as otherwise provided in this section or in section 4759.10 of the Revised Code:
(D) Division (A) of this section does not apply to:
(E) Divisions (A) and (B) of this section do not apply to a person who performs no more than fifteen days of dietetic practice in the state and who meets at least one of the following requirements: