Ohio Rev. Code Ann. § 1702.461
(B)
(1) The written declaration of conversion shall set forth all of the following:
(c) If the converted entity is a foreign entity, all of the following:
(C) The written declaration of conversion may set forth any of the following:
(G)
(2) The declaration of conversion may contain a provision authorizing the trustees of the converting corporation to amend the declaration of conversion at any time before the filing of the certificate of conversion pursuant to section 1702.462 of the Revised Code, except that, after the adoption of the declaration of conversion by the members of the converting corporation, the trustees may not amend the declaration of conversion to do any of the following: