(1) The power may be invoked by filing with the supervisor of elections a petition containing a copy of the proposed Charter amendment. Each petition must be circulated in each numbered board district and must be signed by a number of electors in each of one-half of districts 1 through 4 and of the county as a whole equal to eight percent of the votes cast in each of such districts and the county as whole in the last preceding election in which a president or presidential electors were chosen. The address of each signer, and date of each signature, must appear on the petition. Each petition shall embrace but one subject and matter properly connected therewith. A date certain must be designated to and certified by the supervisor of elections as the beginning date of any petition drive, and said drive shall terminate six months after that date. In the event sufficient signatures are not acquired during that six-month period, the petition drive shall be rendered null and void and none of the signatures may be carried over onto another identical or similar petition.

(2) The petition shall be filed with the supervisor of elections who shall, within a period of not more than thirty (30) days, determine whether the petition contains the required valid signatures. The supervisor shall be paid the sum specified by general law by the persons or committee seeking verification .

(a) if it is determined that the petition does not contain the required signatures, the supervisor shall so certify to the board of county commissioners and the petition drive shall be at an end. No additional names may be added to the petition, and the petition shall not be used in any other proceeding.

(b) If it is determined that the petition has the required signatures, the supervisor shall so certify to the board of county commissioners and place the amendment on the ballot.

(3) All other procedures shall be as provided by general law for constitutional amendments with the supervisor of elections performing the duties of the secretary of state.