SECTION 8.102    PETITIONS.
   (1)    Number of Signatures. Initiative and referendum petitions must be signed by qualified voters of the City equal in number to at least 15 percent of the total number of qualified voters registered to vote at the last regular (as distinguished from primary or special) City election.
   (2)    Form and Content. All papers of a petition shall be uniform in size and style and shall be assembled as one instrument for filing. Each signature shall be executed in ink or indelible pencil in the handwriting of the signer and shall be followed by the address of the person signing. Petitions shall contain or have attached thereto throughout their circulation the full text of the ordinance proposed and shall cite by title the ordinance sought to be reconsidered.
   (3)    Affidavit of Circulator. Each paper of a petition shall have attached to it when filed an affidavit executed by the circulator thereof stating that he personally circulated the paper, the number of signatures thereon, that all the signatures were affixed in his presence, that he believes them to be the genuine signatures of the persons whose names they purport to be and that each signer had an opportunity before signing to read the full text of the ordinance proposed or sought to be reconsidered.
   (4)    Time for Filing Referendum Petitions. Except as may be otherwise provided by general law, referendum petitions must be filed within 30 days after adoption by the Council of the ordinance sought to be reconsidered.