Each candidate may have a sponsoring committee of five qualified voters, whose names and addresses shall appear on each copy of his petition. Each candidate shall file a separate petition; group petitions shall not be used. The signature of the candidate indicating his acceptance of the nomination and willingness to accept the office if elected shall appear on each copy of his petition. The petition may be in a number of parts, but each part shall be completed in compliance with the election laws of the State of Ohio; and all parts shall be assembled by the committee prior to the submission to the Board of Elections.