Candidates for Municipal offices shall be nominated by individual nominating petitions only. Nominating petitions shall be substantially in the form prescribed by the laws of the State of Ohio for the nominations of individual non-partisan candidates. In addition, a nominating petition shall contain a sworn statement of the candidate that he is or will be, at the time of the commencement of the term of office he seeks, qualified to hold such office under the provisions of this Charter and the laws of the State of Ohio. Each nominating petition shall be signed by not less than fifty electors of the Municipality.