Ohio Rev. Code Ann. § 3504.05

The director of the board of elections shall forward copies of all certificates of intent received from former residents to the secretary of state no later than the twenty-fifth day prior to the day of the election in which such former resident desires to vote. Upon receipt of such certificate the secretary of state shall immediately notify the chief elections officer of the state of each applicant's prior residence of the fact that such applicant has declared his intention to vote for presidential and vice-presidential electors in this state.