Ohio Revised Code Title XLVII. Occupations Professions § 4703.12

(A) Each original certificate of qualification to practice architecture issued and registered shall authorize the holder to practice architecture as a registered architect throughout this state from the date of issuance until the last day of December of the odd-numbered year next succeeding the date upon which the certificate was issued, unless the certificate has been revoked or suspended for cause as provided in section 4703.15 of the Revised Code. Every holder of such certificate or its renewal shall secure a seal of the design prescribed by the rules of the architects board. All working drawings and specifications prepared by or under the supervision of the holder shall be imprinted with this seal. No person shall seal any document unless the person is the holder of a certificate currently in good standing.

(B) Each certificate of authorization issued under division (L) of section 4703.18 of the Revised Code shall authorize the holder to provide architectural services, through the architect designated as being in responsible charge of the architectural practice, from the date of issuance until the last day of June next succeeding the date upon which the certificate was issued, unless the certificate has been revoked or suspended for cause as provided in section 4703.15 of the Revised Code or has been suspended pursuant to section 3123.47 of the Revised Code.