An initiatory or a referendary petition shall be signed by one hundred (100) registered qualified electors of the City prior to the filing of the petition. Before being circulated for signatures, the form of all such petitions shall be approved by the City Attorney. No petition need be on one paper but may be on two (2) or more petition papers. Each signer of a petition shall sign in ink and shall place after the signature the date and place of residence by street and number, or by other customary designation, of the signer. Any such petition shall be filed with the City Clerk who shall within ten (10) days determine the sufficiency of the signatories and so certify. When found sufficient and proper, the Clerk shall present the petition to the Council at its next regular meeting.