Oh. Rev. Code Sec. 3509.05The elector shall mail the identification envelope to the office of the board of elections in the return envelope, postage prepaid, or the elector may personally deliver it to the office of the board, or the spouse of the elector, the father, mother, father-in-law, mother-in-law, grandfather, grandmother, brother, or sister of the whole or half blood, or the son, daughter, adopting parent, adopted child, stepparent, stepchild, uncle, aunt, nephew, or niece of the elector may deliver it to the office of the board. The return envelope shall be returned by no other person, in no other manner, and to no other location, except as otherwise provided in section 3509.08 of the Revised Code.