The petition presenting the proposed ordinance shall contain such ordinance in full together with a statement containing not more than two hundred words giving the petitioner's reason why such ordinance should be adopted. Such petition shall be filed with the Director of Law who shall at once note the date of filing the same with him thereon and who shall determine the form, sufficiency and legality of the same. If not found in proper form he shall return the same to petitioners for correction. If of proper form he shall certify the same to the City Council. The Director of Law shall pass upon the petition and return the same to petitioners for correction or certify same to the Council within five days of the filing of the same with him.