Any proposed ordinance including an ordinance for the repeal or amendment of an ordinance then in effect may be submitted to the city commission by petition signed by at least five percent (5%) of the total number of registered voters in the municipality at the last regular municipal election. All petitions circulated with respect to any proposed ordinance shall be uniform in character, shall contain the proposed ordinance in full, and shall have printed or written thereon the names and addresses of at least five (5) electors who shall be officially regarded as filing the petition and shall constitute a committee of the petitioners for the purpose hereinafter named.
   Each signer of a petition shall sign his name, address and date. The signatures to any such petition need not all be appended to one paper, but to each such paper there shall be attached an affidavit by the circulator thereof, stating the number of signers to such part of the petition and that each signature appended to the paper is the genuine signature of the person whose name it purports to be, and that it was made in the presence of the affiant and on the date indicated.
   Before any ordinance so proposed shall be submitted to the City Commission, it shall first be approved as to its form by the city law director, whose duty it shall be to draft such proposed ordinance in proper legal language, and to render such other service to persons desiring to propose such ordinance as shall be necessary to make the same proper for consideration by the City Commission.