Ohio Rev. Code § 3791.042
If a building department certified under section 3781.10 of the Revised Code does not have personnel in its full-time employ who are certified by the board of building standards to do plan and specification review, plans and specifications submitted to the building department shall be examined by the approved building official and shall be approved by the official if the plans and specifications conform with the Ohio building code and Chapters 3781. and 3791. of the Revised Code, and if the plans and specifications were prepared by an architect who is certificated and registered pursuant to Chapter 4703. of the Revised Code or by a professional engineer who is registered pursuant to Chapter 4733. of the Revised Code and those plans and specifications contain a written certification by the architect or engineer that indicates that the plans and specifications conform to the Ohio building code and Chapters 3781. and 3791. of the Revised Code.
R.C. §3791.042