Ohio Rev. Code Ann. § 3791.04
(A)
(1) Before beginning the construction, erection, or manufacture of any building to which section 3781.06 of the Revised Code applies, including all industrialized units, the owner of that building, in addition to any other submission required by law, shall submit plans or drawings, specifications, and data prepared for the construction, erection, equipment, alteration, or addition that indicate the portions that have been approved pursuant to section 3781.12 of the Revised Code and for which no further approval is required, to the municipal, township, or county building department having jurisdiction unless one of the following applies:
(2)