Nominations for elective offices of the Municipality shall be made only by petition. Candidates shall file a petition signed by registered electors of the Municipality not less in number than three percent of the number voting in the Municipality at the last preceding regular Municipal election, but not less than forty nor more than eighty signatures shall be required. Each petition shall be accompanied by the written acceptance of the nominee. No primary election shall be held for the selection of any candidate for any elective office of the Municipality and the ballot used shall be without party mark or designation. The names of all candidates for any Municipal office shall be placed upon the same ballot and shall be rotated in the manner provided by the general laws of the State of Ohio which, except as otherwise provided in this Charter, shall govern the nomination and election of the elective officers of the Municipality.