(A) It shall be the duty of the building commissioner to make, or cause to be made, a final inspection and examination of transient and nontransient residential buildings under this code, hereafter erected, constructed, altered, repaired, or added to, before any such building or structure is occupied, and if such a building has been found to have been constructed in conformity with the provisions of this code, to issue a written certificate thereof to the owner as provided herein.
(B) Such certificate of occupancy shall be obtained by the builder from the building commissioner, before which time it shall be unlawful to occupy the building. The builder will be obligated to certify that the building substantially complies with all provisions of the Ohio Building Code.
(C) The fee for the certificate of occupancy shall be $10 for 4- to 12-family residences, and $25 for all other residential buildings, either transient or nontransient. The fee shall be paid before the certificate is issued.
'73 Code, § 151.05)