Ohio Rev. Code § 956.02: Exempted facilities.

All of the following are not required to obtain a license under this chapter or comply with any other requirements of this chapter and rules adopted under it:

(A) Medical kennels for dogs ;

(B) Research kennels for dogs ;

(C) Animal shelters for dogs that are operated by a municipal corporation or by a county under Chapter 955. of the Revised Code ;

(D) Animal shelters for dogs that are operated by a humane society;

(E) Veterinarians that provide clinical care and are not engaged in the practice of dog breeding.