Ohio Rev. Code Ann. § 3749.02

The director of health shall, subject to Chapter 119. of the Revised Code, adopt rules of general application throughout the state governing the issuance of licenses, approval of plans, layout, construction, sanitation, safety, and operation of public swimming pools, public spas, and special use pools. Such rules shall not be applied to the construction, erection, or manufacture of any building to which section 3781.06 of the Revised Code is applicable when the building or structure is either integral to or appurtenant to a public swimming pool, a public spa, or a special use pool.