Ohio Revised Code Title XVII. Corporations Partnerships § 1745.28

(A) Unless the governing principles prohibit the authorization or taking of any action of the members or the managers without a meeting, any action that may be authorized or taken at a meeting of the members or the managers, as the case may be, may be authorized or taken without a meeting with the affirmative vote or approval of, and in a writing or writings signed by, all of the members or all of the managers, as the case may be, who would be entitled to notice of a meeting for that purpose, or, in the case of members, any other proportion or number of voting members, not less than a majority, that the governing principles permit. The writing or writings described in this division shall be filed with or entered upon the records of the unincorporated nonprofit association. Any certificate with respect to the authorization or taking of any action described in this division that is required to be filed in the office of the secretary of state shall recite that the authorization or taking of that action was in a writing or writings approved and signed as specified in this section.

(B) Any transmission by authorized communications equipment that contains an affirmative vote or approval of the person described in division (A) of this section is a signed writing for purposes of this section. The date on which that transmission by authorized communications equipment is sent is the date on which the writing is signed.